Home / 3,250.10-4,878.02-1,691.18

Finding the Fourth Proportional to 3,250.10, 4,878.02 and 1,691.18

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Solution

The fourth proportional to 3,250.10, 4,878.02 and 1,691.18 is: 2,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.10 : 4,878.02 = 1,691.18 : x
  2. Step 2: Convert to fraction form
    3,250.10/4,878.02 = 1,691.18/x
  3. Step 3: Cross multiply
    3,250.10x = 4,878.02 × 1,691.18
  4. Step 4: Simplify right side
    3,250.10x = 8,249,577.02
  5. Step 5: Solve for x
    x = 8,249,577.02/3,250.10
  6. Step 6: Final answer
    x = 2,538.26

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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.