Home / 2,127.15-3,186.08-1,508.97

Finding the Fourth Proportional to 2,127.15, 3,186.08 and 1,508.97

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Solution

The fourth proportional to 2,127.15, 3,186.08 and 1,508.97 is: 2,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.15 : 3,186.08 = 1,508.97 : x
  2. Step 2: Convert to fraction form
    2,127.15/3,186.08 = 1,508.97/x
  3. Step 3: Cross multiply
    2,127.15x = 3,186.08 × 1,508.97
  4. Step 4: Simplify right side
    2,127.15x = 4,807,691.59
  5. Step 5: Solve for x
    x = 4,807,691.59/2,127.15
  6. Step 6: Final answer
    x = 2,260.16

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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.