Home / 2,699.28-4,049.12-2,376.88

Finding the Fourth Proportional to 2,699.28, 4,049.12 and 2,376.88

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Solution

The fourth proportional to 2,699.28, 4,049.12 and 2,376.88 is: 3,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.28 : 4,049.12 = 2,376.88 : x
  2. Step 2: Convert to fraction form
    2,699.28/4,049.12 = 2,376.88/x
  3. Step 3: Cross multiply
    2,699.28x = 4,049.12 × 2,376.88
  4. Step 4: Simplify right side
    2,699.28x = 9,624,272.35
  5. Step 5: Solve for x
    x = 9,624,272.35/2,699.28
  6. Step 6: Final answer
    x = 3,565.50

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1.5x scale

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.