Home / 3,254.24-4,489.92-1,994.88

Finding the Fourth Proportional to 3,254.24, 4,489.92 and 1,994.88

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Solution

The fourth proportional to 3,254.24, 4,489.92 and 1,994.88 is: 2,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.24 : 4,489.92 = 1,994.88 : x
  2. Step 2: Convert to fraction form
    3,254.24/4,489.92 = 1,994.88/x
  3. Step 3: Cross multiply
    3,254.24x = 4,489.92 × 1,994.88
  4. Step 4: Simplify right side
    3,254.24x = 8,956,851.61
  5. Step 5: Solve for x
    x = 8,956,851.61/3,254.24
  6. Step 6: Final answer
    x = 2,752.36

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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.