Home / 3,152.57-4,350.65-2,272.10

Finding the Fourth Proportional to 3,152.57, 4,350.65 and 2,272.10

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Solution

The fourth proportional to 3,152.57, 4,350.65 and 2,272.10 is: 3,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.57 : 4,350.65 = 2,272.10 : x
  2. Step 2: Convert to fraction form
    3,152.57/4,350.65 = 2,272.10/x
  3. Step 3: Cross multiply
    3,152.57x = 4,350.65 × 2,272.10
  4. Step 4: Simplify right side
    3,152.57x = 9,885,078.75
  5. Step 5: Solve for x
    x = 9,885,078.75/3,152.57
  6. Step 6: Final answer
    x = 3,135.57

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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.