Home / 2,447.16-3,375.40-1,562.56

Finding the Fourth Proportional to 2,447.16, 3,375.40 and 1,562.56

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Solution

The fourth proportional to 2,447.16, 3,375.40 and 1,562.56 is: 2,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.16 : 3,375.40 = 1,562.56 : x
  2. Step 2: Convert to fraction form
    2,447.16/3,375.40 = 1,562.56/x
  3. Step 3: Cross multiply
    2,447.16x = 3,375.40 × 1,562.56
  4. Step 4: Simplify right side
    2,447.16x = 5,274,278.19
  5. Step 5: Solve for x
    x = 5,274,278.19/2,447.16
  6. Step 6: Final answer
    x = 2,155.27

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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.