Home / 3,531.30-4,873.68-2,690.82

Finding the Fourth Proportional to 3,531.30, 4,873.68 and 2,690.82

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Solution

The fourth proportional to 3,531.30, 4,873.68 and 2,690.82 is: 3,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.30 : 4,873.68 = 2,690.82 : x
  2. Step 2: Convert to fraction form
    3,531.30/4,873.68 = 2,690.82/x
  3. Step 3: Cross multiply
    3,531.30x = 4,873.68 × 2,690.82
  4. Step 4: Simplify right side
    3,531.30x = 13,114,195.62
  5. Step 5: Solve for x
    x = 13,114,195.62/3,531.30
  6. Step 6: Final answer
    x = 3,713.70

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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.