Home / 3,517.76-5,272.60-1,325.12

Finding the Fourth Proportional to 3,517.76, 5,272.60 and 1,325.12

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Solution

The fourth proportional to 3,517.76, 5,272.60 and 1,325.12 is: 1,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.76 : 5,272.60 = 1,325.12 : x
  2. Step 2: Convert to fraction form
    3,517.76/5,272.60 = 1,325.12/x
  3. Step 3: Cross multiply
    3,517.76x = 5,272.60 × 1,325.12
  4. Step 4: Simplify right side
    3,517.76x = 6,986,827.71
  5. Step 5: Solve for x
    x = 6,986,827.71/3,517.76
  6. Step 6: Final answer
    x = 1,986.16

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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.