Home / 3,710.25-5,565.38-1,113.20

Finding the Fourth Proportional to 3,710.25, 5,565.38 and 1,113.20

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Solution

The fourth proportional to 3,710.25, 5,565.38 and 1,113.20 is: 1,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.25 : 5,565.38 = 1,113.20 : x
  2. Step 2: Convert to fraction form
    3,710.25/5,565.38 = 1,113.20/x
  3. Step 3: Cross multiply
    3,710.25x = 5,565.38 × 1,113.20
  4. Step 4: Simplify right side
    3,710.25x = 6,195,347.62
  5. Step 5: Solve for x
    x = 6,195,347.62/3,710.25
  6. Step 6: Final answer
    x = 1,669.79

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.