Home / 3,992.88-5,507.53-2,498.20

Finding the Fourth Proportional to 3,992.88, 5,507.53 and 2,498.20

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Solution

The fourth proportional to 3,992.88, 5,507.53 and 2,498.20 is: 3,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.88 : 5,507.53 = 2,498.20 : x
  2. Step 2: Convert to fraction form
    3,992.88/5,507.53 = 2,498.20/x
  3. Step 3: Cross multiply
    3,992.88x = 5,507.53 × 2,498.20
  4. Step 4: Simplify right side
    3,992.88x = 13,758,898.96
  5. Step 5: Solve for x
    x = 13,758,898.96/3,992.88
  6. Step 6: Final answer
    x = 3,445.86

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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.