Home / 3,135.60-4,713.84-2,217.74

Finding the Fourth Proportional to 3,135.60, 4,713.84 and 2,217.74

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Solution

The fourth proportional to 3,135.60, 4,713.84 and 2,217.74 is: 3,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.60 : 4,713.84 = 2,217.74 : x
  2. Step 2: Convert to fraction form
    3,135.60/4,713.84 = 2,217.74/x
  3. Step 3: Cross multiply
    3,135.60x = 4,713.84 × 2,217.74
  4. Step 4: Simplify right side
    3,135.60x = 10,454,071.52
  5. Step 5: Solve for x
    x = 10,454,071.52/3,135.60
  6. Step 6: Final answer
    x = 3,333.99

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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.