Home / 2,651.28-3,973.92-1,350

Finding the Fourth Proportional to 2,651.28, 3,973.92 and 1,350

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Solution

The fourth proportional to 2,651.28, 3,973.92 and 1,350 is: 2,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.28 : 3,973.92 = 1,350 : x
  2. Step 2: Convert to fraction form
    2,651.28/3,973.92 = 1,350/x
  3. Step 3: Cross multiply
    2,651.28x = 3,973.92 × 1,350
  4. Step 4: Simplify right side
    2,651.28x = 5,364,792
  5. Step 5: Solve for x
    x = 5,364,792/2,651.28
  6. Step 6: Final answer
    x = 2,023.47

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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.