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Finding the Fourth Proportional to 1,517.81, 2,275.26 and 593.06

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Solution

The fourth proportional to 1,517.81, 2,275.26 and 593.06 is: 889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.81 : 2,275.26 = 593.06 : x
  2. Step 2: Convert to fraction form
    1,517.81/2,275.26 = 593.06/x
  3. Step 3: Cross multiply
    1,517.81x = 2,275.26 × 593.06
  4. Step 4: Simplify right side
    1,517.81x = 1,349,360.01
  5. Step 5: Solve for x
    x = 1,349,360.01/1,517.81
  6. Step 6: Final answer
    x = 889.02

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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.