Home / 2,224.80-3,069.26-1,340.09

Finding the Fourth Proportional to 2,224.80, 3,069.26 and 1,340.09

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Solution

The fourth proportional to 2,224.80, 3,069.26 and 1,340.09 is: 1,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.80 : 3,069.26 = 1,340.09 : x
  2. Step 2: Convert to fraction form
    2,224.80/3,069.26 = 1,340.09/x
  3. Step 3: Cross multiply
    2,224.80x = 3,069.26 × 1,340.09
  4. Step 4: Simplify right side
    2,224.80x = 4,113,096.39
  5. Step 5: Solve for x
    x = 4,113,096.39/2,224.80
  6. Step 6: Final answer
    x = 1,848.75

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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.