Home / 3,127.23-4,691.16-1,461

Finding the Fourth Proportional to 3,127.23, 4,691.16 and 1,461

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Solution

The fourth proportional to 3,127.23, 4,691.16 and 1,461 is: 2,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.23 : 4,691.16 = 1,461 : x
  2. Step 2: Convert to fraction form
    3,127.23/4,691.16 = 1,461/x
  3. Step 3: Cross multiply
    3,127.23x = 4,691.16 × 1,461
  4. Step 4: Simplify right side
    3,127.23x = 6,853,784.76
  5. Step 5: Solve for x
    x = 6,853,784.76/3,127.23
  6. Step 6: Final answer
    x = 2,191.65

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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.