Home / 3,411.23-5,117.52-1,331.15

Finding the Fourth Proportional to 3,411.23, 5,117.52 and 1,331.15

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Solution

The fourth proportional to 3,411.23, 5,117.52 and 1,331.15 is: 1,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.23 : 5,117.52 = 1,331.15 : x
  2. Step 2: Convert to fraction form
    3,411.23/5,117.52 = 1,331.15/x
  3. Step 3: Cross multiply
    3,411.23x = 5,117.52 × 1,331.15
  4. Step 4: Simplify right side
    3,411.23x = 6,812,186.75
  5. Step 5: Solve for x
    x = 6,812,186.75/3,411.23
  6. Step 6: Final answer
    x = 1,996.99

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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.