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Finding the Fourth Proportional to 1,264.41, 1,747.41 and 950.76

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Solution

The fourth proportional to 1,264.41, 1,747.41 and 950.76 is: 1,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.41 : 1,747.41 = 950.76 : x
  2. Step 2: Convert to fraction form
    1,264.41/1,747.41 = 950.76/x
  3. Step 3: Cross multiply
    1,264.41x = 1,747.41 × 950.76
  4. Step 4: Simplify right side
    1,264.41x = 1,661,367.53
  5. Step 5: Solve for x
    x = 1,661,367.53/1,264.41
  6. Step 6: Final answer
    x = 1,313.95

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1.5x scale

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.