Home / 3,127.32-4,681.17-1,736.20

Finding the Fourth Proportional to 3,127.32, 4,681.17 and 1,736.20

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Solution

The fourth proportional to 3,127.32, 4,681.17 and 1,736.20 is: 2,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.32 : 4,681.17 = 1,736.20 : x
  2. Step 2: Convert to fraction form
    3,127.32/4,681.17 = 1,736.20/x
  3. Step 3: Cross multiply
    3,127.32x = 4,681.17 × 1,736.20
  4. Step 4: Simplify right side
    3,127.32x = 8,127,447.35
  5. Step 5: Solve for x
    x = 8,127,447.35/3,127.32
  6. Step 6: Final answer
    x = 2,598.85

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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.