Home / 3,381.45-5,070.65-1,532.49

Finding the Fourth Proportional to 3,381.45, 5,070.65 and 1,532.49

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Solution

The fourth proportional to 3,381.45, 5,070.65 and 1,532.49 is: 2,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.45 : 5,070.65 = 1,532.49 : x
  2. Step 2: Convert to fraction form
    3,381.45/5,070.65 = 1,532.49/x
  3. Step 3: Cross multiply
    3,381.45x = 5,070.65 × 1,532.49
  4. Step 4: Simplify right side
    3,381.45x = 7,770,712.76
  5. Step 5: Solve for x
    x = 7,770,712.76/3,381.45
  6. Step 6: Final answer
    x = 2,298.04

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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.