Home / 3,421.52-4,724.40-2,546.72

Finding the Fourth Proportional to 3,421.52, 4,724.40 and 2,546.72

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Solution

The fourth proportional to 3,421.52, 4,724.40 and 2,546.72 is: 3,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.52 : 4,724.40 = 2,546.72 : x
  2. Step 2: Convert to fraction form
    3,421.52/4,724.40 = 2,546.72/x
  3. Step 3: Cross multiply
    3,421.52x = 4,724.40 × 2,546.72
  4. Step 4: Simplify right side
    3,421.52x = 12,031,723.97
  5. Step 5: Solve for x
    x = 12,031,723.97/3,421.52
  6. Step 6: Final answer
    x = 3,516.49

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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.