Home / 3,207.59-4,812.90-1,565.31

Finding the Fourth Proportional to 3,207.59, 4,812.90 and 1,565.31

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Solution

The fourth proportional to 3,207.59, 4,812.90 and 1,565.31 is: 2,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.59 : 4,812.90 = 1,565.31 : x
  2. Step 2: Convert to fraction form
    3,207.59/4,812.90 = 1,565.31/x
  3. Step 3: Cross multiply
    3,207.59x = 4,812.90 × 1,565.31
  4. Step 4: Simplify right side
    3,207.59x = 7,533,680.50
  5. Step 5: Solve for x
    x = 7,533,680.50/3,207.59
  6. Step 6: Final answer
    x = 2,348.70

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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.