Home / 1,776.28-2,447.04-1,244.20

Finding the Fourth Proportional to 1,776.28, 2,447.04 and 1,244.20

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Solution

The fourth proportional to 1,776.28, 2,447.04 and 1,244.20 is: 1,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.28 : 2,447.04 = 1,244.20 : x
  2. Step 2: Convert to fraction form
    1,776.28/2,447.04 = 1,244.20/x
  3. Step 3: Cross multiply
    1,776.28x = 2,447.04 × 1,244.20
  4. Step 4: Simplify right side
    1,776.28x = 3,044,607.17
  5. Step 5: Solve for x
    x = 3,044,607.17/1,776.28
  6. Step 6: Final answer
    x = 1,714.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.