Home / 3,152.52-4,729.38-1,767.78

Finding the Fourth Proportional to 3,152.52, 4,729.38 and 1,767.78

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Solution

The fourth proportional to 3,152.52, 4,729.38 and 1,767.78 is: 2,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.52 : 4,729.38 = 1,767.78 : x
  2. Step 2: Convert to fraction form
    3,152.52/4,729.38 = 1,767.78/x
  3. Step 3: Cross multiply
    3,152.52x = 4,729.38 × 1,767.78
  4. Step 4: Simplify right side
    3,152.52x = 8,360,503.38
  5. Step 5: Solve for x
    x = 8,360,503.38/3,152.52
  6. Step 6: Final answer
    x = 2,652.01

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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.