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Finding the Fourth Proportional to 1,718.84, 2,372.05 and 1,010.73

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Solution

The fourth proportional to 1,718.84, 2,372.05 and 1,010.73 is: 1,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.84 : 2,372.05 = 1,010.73 : x
  2. Step 2: Convert to fraction form
    1,718.84/2,372.05 = 1,010.73/x
  3. Step 3: Cross multiply
    1,718.84x = 2,372.05 × 1,010.73
  4. Step 4: Simplify right side
    1,718.84x = 2,397,512.26
  5. Step 5: Solve for x
    x = 2,397,512.26/1,718.84
  6. Step 6: Final answer
    x = 1,394.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.