Home / 2,440.15-3,659.19-1,052.78

Finding the Fourth Proportional to 2,440.15, 3,659.19 and 1,052.78

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Solution

The fourth proportional to 2,440.15, 3,659.19 and 1,052.78 is: 1,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.15 : 3,659.19 = 1,052.78 : x
  2. Step 2: Convert to fraction form
    2,440.15/3,659.19 = 1,052.78/x
  3. Step 3: Cross multiply
    2,440.15x = 3,659.19 × 1,052.78
  4. Step 4: Simplify right side
    2,440.15x = 3,852,322.05
  5. Step 5: Solve for x
    x = 3,852,322.05/2,440.15
  6. Step 6: Final answer
    x = 1,578.73

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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.