Home / 2,439.60-3,365.28-1,444.56

Finding the Fourth Proportional to 2,439.60, 3,365.28 and 1,444.56

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Solution

The fourth proportional to 2,439.60, 3,365.28 and 1,444.56 is: 1,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.60 : 3,365.28 = 1,444.56 : x
  2. Step 2: Convert to fraction form
    2,439.60/3,365.28 = 1,444.56/x
  3. Step 3: Cross multiply
    2,439.60x = 3,365.28 × 1,444.56
  4. Step 4: Simplify right side
    2,439.60x = 4,861,348.88
  5. Step 5: Solve for x
    x = 4,861,348.88/2,439.60
  6. Step 6: Final answer
    x = 1,992.68

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1.5x scale

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.