Home / 3,515.76-5,272.56-2,427.12

Finding the Fourth Proportional to 3,515.76, 5,272.56 and 2,427.12

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Solution

The fourth proportional to 3,515.76, 5,272.56 and 2,427.12 is: 3,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.76 : 5,272.56 = 2,427.12 : x
  2. Step 2: Convert to fraction form
    3,515.76/5,272.56 = 2,427.12/x
  3. Step 3: Cross multiply
    3,515.76x = 5,272.56 × 2,427.12
  4. Step 4: Simplify right side
    3,515.76x = 12,797,135.83
  5. Step 5: Solve for x
    x = 12,797,135.83/3,515.76
  6. Step 6: Final answer
    x = 3,639.93

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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.