Home / 2,224.25-3,069.47-1,340.09

Finding the Fourth Proportional to 2,224.25, 3,069.47 and 1,340.09

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Solution

The fourth proportional to 2,224.25, 3,069.47 and 1,340.09 is: 1,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.25 : 3,069.47 = 1,340.09 : x
  2. Step 2: Convert to fraction form
    2,224.25/3,069.47 = 1,340.09/x
  3. Step 3: Cross multiply
    2,224.25x = 3,069.47 × 1,340.09
  4. Step 4: Simplify right side
    2,224.25x = 4,113,366.05
  5. Step 5: Solve for x
    x = 4,113,366.05/2,224.25
  6. Step 6: Final answer
    x = 1,849.33

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,225.25, 3,070.85 and 1,341.09
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.