Home / 2,340.76-3,230.60-1,346.28

Finding the Fourth Proportional to 2,340.76, 3,230.60 and 1,346.28

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Solution

The fourth proportional to 2,340.76, 3,230.60 and 1,346.28 is: 1,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.76 : 3,230.60 = 1,346.28 : x
  2. Step 2: Convert to fraction form
    2,340.76/3,230.60 = 1,346.28/x
  3. Step 3: Cross multiply
    2,340.76x = 3,230.60 × 1,346.28
  4. Step 4: Simplify right side
    2,340.76x = 4,349,292.17
  5. Step 5: Solve for x
    x = 4,349,292.17/2,340.76
  6. Step 6: Final answer
    x = 1,858.07

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Half scale
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Double scale
Find fourth proportional to 2,341.76, 3,231.98 and 1,347.28
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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.