Home / 2,373.68-3,562.05-1,278.81

Finding the Fourth Proportional to 2,373.68, 3,562.05 and 1,278.81

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Solution

The fourth proportional to 2,373.68, 3,562.05 and 1,278.81 is: 1,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.68 : 3,562.05 = 1,278.81 : x
  2. Step 2: Convert to fraction form
    2,373.68/3,562.05 = 1,278.81/x
  3. Step 3: Cross multiply
    2,373.68x = 3,562.05 × 1,278.81
  4. Step 4: Simplify right side
    2,373.68x = 4,555,189.96
  5. Step 5: Solve for x
    x = 4,555,189.96/2,373.68
  6. Step 6: Final answer
    x = 1,919.04

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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.