Home / 1,517.45-2,276.18-867.73

Finding the Fourth Proportional to 1,517.45, 2,276.18 and 867.73

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Solution

The fourth proportional to 1,517.45, 2,276.18 and 867.73 is: 1,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.45 : 2,276.18 = 867.73 : x
  2. Step 2: Convert to fraction form
    1,517.45/2,276.18 = 867.73/x
  3. Step 3: Cross multiply
    1,517.45x = 2,276.18 × 867.73
  4. Step 4: Simplify right side
    1,517.45x = 1,975,109.67
  5. Step 5: Solve for x
    x = 1,975,109.67/1,517.45
  6. Step 6: Final answer
    x = 1,301.60

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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.