Home / 3,127.73-4,691.91-1,461.50

Finding the Fourth Proportional to 3,127.73, 4,691.91 and 1,461.50

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Solution

The fourth proportional to 3,127.73, 4,691.91 and 1,461.50 is: 2,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.73 : 4,691.91 = 1,461.50 : x
  2. Step 2: Convert to fraction form
    3,127.73/4,691.91 = 1,461.50/x
  3. Step 3: Cross multiply
    3,127.73x = 4,691.91 × 1,461.50
  4. Step 4: Simplify right side
    3,127.73x = 6,857,226.47
  5. Step 5: Solve for x
    x = 6,857,226.47/3,127.73
  6. Step 6: Final answer
    x = 2,192.40

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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.