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Finding the Fourth Proportional to 1,517.77, 2,276.21 and 593.12

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Solution

The fourth proportional to 1,517.77, 2,276.21 and 593.12 is: 889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.77 : 2,276.21 = 593.12 : x
  2. Step 2: Convert to fraction form
    1,517.77/2,276.21 = 593.12/x
  3. Step 3: Cross multiply
    1,517.77x = 2,276.21 × 593.12
  4. Step 4: Simplify right side
    1,517.77x = 1,350,065.68
  5. Step 5: Solve for x
    x = 1,350,065.68/1,517.77
  6. Step 6: Final answer
    x = 889.51

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Double scale
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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.