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Finding the Fourth Proportional to 2,113.46, 3,170.49 and 652.73

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Solution

The fourth proportional to 2,113.46, 3,170.49 and 652.73 is: 979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.46 : 3,170.49 = 652.73 : x
  2. Step 2: Convert to fraction form
    2,113.46/3,170.49 = 652.73/x
  3. Step 3: Cross multiply
    2,113.46x = 3,170.49 × 652.73
  4. Step 4: Simplify right side
    2,113.46x = 2,069,473.94
  5. Step 5: Solve for x
    x = 2,069,473.94/2,113.46
  6. Step 6: Final answer
    x = 979.19

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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.