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Finding the Fourth Proportional to 1,718.89, 2,583.52 and 1,135.89

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Solution

The fourth proportional to 1,718.89, 2,583.52 and 1,135.89 is: 1,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.89 : 2,583.52 = 1,135.89 : x
  2. Step 2: Convert to fraction form
    1,718.89/2,583.52 = 1,135.89/x
  3. Step 3: Cross multiply
    1,718.89x = 2,583.52 × 1,135.89
  4. Step 4: Simplify right side
    1,718.89x = 2,934,589.87
  5. Step 5: Solve for x
    x = 2,934,589.87/1,718.89
  6. Step 6: Final answer
    x = 1,707.26

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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.