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Finding the Fourth Proportional to 2,501.34, 3,750.75 and 834.88

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Solution

The fourth proportional to 2,501.34, 3,750.75 and 834.88 is: 1,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.34 : 3,750.75 = 834.88 : x
  2. Step 2: Convert to fraction form
    2,501.34/3,750.75 = 834.88/x
  3. Step 3: Cross multiply
    2,501.34x = 3,750.75 × 834.88
  4. Step 4: Simplify right side
    2,501.34x = 3,131,416.78
  5. Step 5: Solve for x
    x = 3,131,416.78/2,501.34
  6. Step 6: Final answer
    x = 1,251.90

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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.