Home / 3,207.36-4,781.10-3,081.12

Finding the Fourth Proportional to 3,207.36, 4,781.10 and 3,081.12

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Solution

The fourth proportional to 3,207.36, 4,781.10 and 3,081.12 is: 4,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.36 : 4,781.10 = 3,081.12 : x
  2. Step 2: Convert to fraction form
    3,207.36/4,781.10 = 3,081.12/x
  3. Step 3: Cross multiply
    3,207.36x = 4,781.10 × 3,081.12
  4. Step 4: Simplify right side
    3,207.36x = 14,731,142.83
  5. Step 5: Solve for x
    x = 14,731,142.83/3,207.36
  6. Step 6: Final answer
    x = 4,592.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.