Home / 3,432.85-5,148.21-1,458.46

Finding the Fourth Proportional to 3,432.85, 5,148.21 and 1,458.46

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Solution

The fourth proportional to 3,432.85, 5,148.21 and 1,458.46 is: 2,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.85 : 5,148.21 = 1,458.46 : x
  2. Step 2: Convert to fraction form
    3,432.85/5,148.21 = 1,458.46/x
  3. Step 3: Cross multiply
    3,432.85x = 5,148.21 × 1,458.46
  4. Step 4: Simplify right side
    3,432.85x = 7,508,458.36
  5. Step 5: Solve for x
    x = 7,508,458.36/3,432.85
  6. Step 6: Final answer
    x = 2,187.24

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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.