Home / 2,405.60-3,608.40-1,437.92

Finding the Fourth Proportional to 2,405.60, 3,608.40 and 1,437.92

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Solution

The fourth proportional to 2,405.60, 3,608.40 and 1,437.92 is: 2,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.60 : 3,608.40 = 1,437.92 : x
  2. Step 2: Convert to fraction form
    2,405.60/3,608.40 = 1,437.92/x
  3. Step 3: Cross multiply
    2,405.60x = 3,608.40 × 1,437.92
  4. Step 4: Simplify right side
    2,405.60x = 5,188,590.53
  5. Step 5: Solve for x
    x = 5,188,590.53/2,405.60
  6. Step 6: Final answer
    x = 2,156.88

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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.