Home / 3,272.02-4,515.40-1,874.78

Finding the Fourth Proportional to 3,272.02, 4,515.40 and 1,874.78

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Solution

The fourth proportional to 3,272.02, 4,515.40 and 1,874.78 is: 2,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.02 : 4,515.40 = 1,874.78 : x
  2. Step 2: Convert to fraction form
    3,272.02/4,515.40 = 1,874.78/x
  3. Step 3: Cross multiply
    3,272.02x = 4,515.40 × 1,874.78
  4. Step 4: Simplify right side
    3,272.02x = 8,465,381.61
  5. Step 5: Solve for x
    x = 8,465,381.61/3,272.02
  6. Step 6: Final answer
    x = 2,587.20

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1.5x scale

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.