Home / 2,373.28-3,562.40-1,640.32

Finding the Fourth Proportional to 2,373.28, 3,562.40 and 1,640.32

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Solution

The fourth proportional to 2,373.28, 3,562.40 and 1,640.32 is: 2,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.28 : 3,562.40 = 1,640.32 : x
  2. Step 2: Convert to fraction form
    2,373.28/3,562.40 = 1,640.32/x
  3. Step 3: Cross multiply
    2,373.28x = 3,562.40 × 1,640.32
  4. Step 4: Simplify right side
    2,373.28x = 5,843,475.97
  5. Step 5: Solve for x
    x = 5,843,475.97/2,373.28
  6. Step 6: Final answer
    x = 2,462.19

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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.