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Finding the Fourth Proportional to 3,599.92, 4,965.24 and 2,715.76

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Solution

The fourth proportional to 3,599.92, 4,965.24 and 2,715.76 is: 3,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.92 : 4,965.24 = 2,715.76 : x
  2. Step 2: Convert to fraction form
    3,599.92/4,965.24 = 2,715.76/x
  3. Step 3: Cross multiply
    3,599.92x = 4,965.24 × 2,715.76
  4. Step 4: Simplify right side
    3,599.92x = 13,484,400.18
  5. Step 5: Solve for x
    x = 13,484,400.18/3,599.92
  6. Step 6: Final answer
    x = 3,745.75

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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.