Home / 2,229.39-3,071.52-1,565.19

Finding the Fourth Proportional to 2,229.39, 3,071.52 and 1,565.19

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Solution

The fourth proportional to 2,229.39, 3,071.52 and 1,565.19 is: 2,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.39 : 3,071.52 = 1,565.19 : x
  2. Step 2: Convert to fraction form
    2,229.39/3,071.52 = 1,565.19/x
  3. Step 3: Cross multiply
    2,229.39x = 3,071.52 × 1,565.19
  4. Step 4: Simplify right side
    2,229.39x = 4,807,512.39
  5. Step 5: Solve for x
    x = 4,807,512.39/2,229.39
  6. Step 6: Final answer
    x = 2,156.43

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Half scale
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Double scale
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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.