Home / 2,908.20-4,014.18-2,318.52

Finding the Fourth Proportional to 2,908.20, 4,014.18 and 2,318.52

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Solution

The fourth proportional to 2,908.20, 4,014.18 and 2,318.52 is: 3,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.20 : 4,014.18 = 2,318.52 : x
  2. Step 2: Convert to fraction form
    2,908.20/4,014.18 = 2,318.52/x
  3. Step 3: Cross multiply
    2,908.20x = 4,014.18 × 2,318.52
  4. Step 4: Simplify right side
    2,908.20x = 9,306,956.61
  5. Step 5: Solve for x
    x = 9,306,956.61/2,908.20
  6. Step 6: Final answer
    x = 3,200.25

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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.