Home / 2,542.08-3,810.64-1,310.88

Finding the Fourth Proportional to 2,542.08, 3,810.64 and 1,310.88

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Solution

The fourth proportional to 2,542.08, 3,810.64 and 1,310.88 is: 1,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.08 : 3,810.64 = 1,310.88 : x
  2. Step 2: Convert to fraction form
    2,542.08/3,810.64 = 1,310.88/x
  3. Step 3: Cross multiply
    2,542.08x = 3,810.64 × 1,310.88
  4. Step 4: Simplify right side
    2,542.08x = 4,995,291.76
  5. Step 5: Solve for x
    x = 4,995,291.76/2,542.08
  6. Step 6: Final answer
    x = 1,965.04

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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.