Home / 2,532.78-3,799.08-1,071.90

Finding the Fourth Proportional to 2,532.78, 3,799.08 and 1,071.90

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Solution

The fourth proportional to 2,532.78, 3,799.08 and 1,071.90 is: 1,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,532.78 : 3,799.08 = 1,071.90 : x
  2. Step 2: Convert to fraction form
    2,532.78/3,799.08 = 1,071.90/x
  3. Step 3: Cross multiply
    2,532.78x = 3,799.08 × 1,071.90
  4. Step 4: Simplify right side
    2,532.78x = 4,072,233.85
  5. Step 5: Solve for x
    x = 4,072,233.85/2,532.78
  6. Step 6: Final answer
    x = 1,607.81

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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.