Home / 2,508.40-3,763.32-2,158.48

Finding the Fourth Proportional to 2,508.40, 3,763.32 and 2,158.48

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Solution

The fourth proportional to 2,508.40, 3,763.32 and 2,158.48 is: 3,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.40 : 3,763.32 = 2,158.48 : x
  2. Step 2: Convert to fraction form
    2,508.40/3,763.32 = 2,158.48/x
  3. Step 3: Cross multiply
    2,508.40x = 3,763.32 × 2,158.48
  4. Step 4: Simplify right side
    2,508.40x = 8,123,050.95
  5. Step 5: Solve for x
    x = 8,123,050.95/2,508.40
  6. Step 6: Final answer
    x = 3,238.34

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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.