Home / 3,186.16-4,781.09-1,337.13

Finding the Fourth Proportional to 3,186.16, 4,781.09 and 1,337.13

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Solution

The fourth proportional to 3,186.16, 4,781.09 and 1,337.13 is: 2,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.16 : 4,781.09 = 1,337.13 : x
  2. Step 2: Convert to fraction form
    3,186.16/4,781.09 = 1,337.13/x
  3. Step 3: Cross multiply
    3,186.16x = 4,781.09 × 1,337.13
  4. Step 4: Simplify right side
    3,186.16x = 6,392,942.21
  5. Step 5: Solve for x
    x = 6,392,942.21/3,186.16
  6. Step 6: Final answer
    x = 2,006.47

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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.