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Finding the Fourth Proportional to 1,508.34, 2,266.97 and 1,250

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Solution

The fourth proportional to 1,508.34, 2,266.97 and 1,250 is: 1,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.34 : 2,266.97 = 1,250 : x
  2. Step 2: Convert to fraction form
    1,508.34/2,266.97 = 1,250/x
  3. Step 3: Cross multiply
    1,508.34x = 2,266.97 × 1,250
  4. Step 4: Simplify right side
    1,508.34x = 2,833,712.50
  5. Step 5: Solve for x
    x = 2,833,712.50/1,508.34
  6. Step 6: Final answer
    x = 1,878.70

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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.