Home / 3,781.02-5,671.54-1,148.52

Finding the Fourth Proportional to 3,781.02, 5,671.54 and 1,148.52

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Solution

The fourth proportional to 3,781.02, 5,671.54 and 1,148.52 is: 1,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.02 : 5,671.54 = 1,148.52 : x
  2. Step 2: Convert to fraction form
    3,781.02/5,671.54 = 1,148.52/x
  3. Step 3: Cross multiply
    3,781.02x = 5,671.54 × 1,148.52
  4. Step 4: Simplify right side
    3,781.02x = 6,513,877.12
  5. Step 5: Solve for x
    x = 6,513,877.12/3,781.02
  6. Step 6: Final answer
    x = 1,722.78

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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.