Home / 2,400.32-3,314.08-1,615.76

Finding the Fourth Proportional to 2,400.32, 3,314.08 and 1,615.76

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Solution

The fourth proportional to 2,400.32, 3,314.08 and 1,615.76 is: 2,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.32 : 3,314.08 = 1,615.76 : x
  2. Step 2: Convert to fraction form
    2,400.32/3,314.08 = 1,615.76/x
  3. Step 3: Cross multiply
    2,400.32x = 3,314.08 × 1,615.76
  4. Step 4: Simplify right side
    2,400.32x = 5,354,757.90
  5. Step 5: Solve for x
    x = 5,354,757.90/2,400.32
  6. Step 6: Final answer
    x = 2,230.85

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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.