Home / 2,454.47-3,387.05-1,335.38

Finding the Fourth Proportional to 2,454.47, 3,387.05 and 1,335.38

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Solution

The fourth proportional to 2,454.47, 3,387.05 and 1,335.38 is: 1,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.47 : 3,387.05 = 1,335.38 : x
  2. Step 2: Convert to fraction form
    2,454.47/3,387.05 = 1,335.38/x
  3. Step 3: Cross multiply
    2,454.47x = 3,387.05 × 1,335.38
  4. Step 4: Simplify right side
    2,454.47x = 4,522,992.15
  5. Step 5: Solve for x
    x = 4,522,992.15/2,454.47
  6. Step 6: Final answer
    x = 1,842.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.