Home / 3,415.52-5,124.60-2,449.28

Finding the Fourth Proportional to 3,415.52, 5,124.60 and 2,449.28

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Solution

The fourth proportional to 3,415.52, 5,124.60 and 2,449.28 is: 3,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.52 : 5,124.60 = 2,449.28 : x
  2. Step 2: Convert to fraction form
    3,415.52/5,124.60 = 2,449.28/x
  3. Step 3: Cross multiply
    3,415.52x = 5,124.60 × 2,449.28
  4. Step 4: Simplify right side
    3,415.52x = 12,551,580.29
  5. Step 5: Solve for x
    x = 12,551,580.29/3,415.52
  6. Step 6: Final answer
    x = 3,674.87

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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.