Home / 2,575.02-3,863.10-1,114.20

Finding the Fourth Proportional to 2,575.02, 3,863.10 and 1,114.20

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Solution

The fourth proportional to 2,575.02, 3,863.10 and 1,114.20 is: 1,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.02 : 3,863.10 = 1,114.20 : x
  2. Step 2: Convert to fraction form
    2,575.02/3,863.10 = 1,114.20/x
  3. Step 3: Cross multiply
    2,575.02x = 3,863.10 × 1,114.20
  4. Step 4: Simplify right side
    2,575.02x = 4,304,266.02
  5. Step 5: Solve for x
    x = 4,304,266.02/2,575.02
  6. Step 6: Final answer
    x = 1,671.55

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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.