Home / 2,425.11-3,638.57-1,451.90

Finding the Fourth Proportional to 2,425.11, 3,638.57 and 1,451.90

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Solution

The fourth proportional to 2,425.11, 3,638.57 and 1,451.90 is: 2,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.11 : 3,638.57 = 1,451.90 : x
  2. Step 2: Convert to fraction form
    2,425.11/3,638.57 = 1,451.90/x
  3. Step 3: Cross multiply
    2,425.11x = 3,638.57 × 1,451.90
  4. Step 4: Simplify right side
    2,425.11x = 5,282,814.33
  5. Step 5: Solve for x
    x = 5,282,814.33/2,425.11
  6. Step 6: Final answer
    x = 2,178.38

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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.