Home / 3,276.72-4,521.15-1,948.05

Finding the Fourth Proportional to 3,276.72, 4,521.15 and 1,948.05

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Solution

The fourth proportional to 3,276.72, 4,521.15 and 1,948.05 is: 2,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.72 : 4,521.15 = 1,948.05 : x
  2. Step 2: Convert to fraction form
    3,276.72/4,521.15 = 1,948.05/x
  3. Step 3: Cross multiply
    3,276.72x = 4,521.15 × 1,948.05
  4. Step 4: Simplify right side
    3,276.72x = 8,807,426.26
  5. Step 5: Solve for x
    x = 8,807,426.26/3,276.72
  6. Step 6: Final answer
    x = 2,687.88

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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.