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Finding the Fourth Proportional to 1,031.66, 1,546.13 and 894.14

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Solution

The fourth proportional to 1,031.66, 1,546.13 and 894.14 is: 1,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.66 : 1,546.13 = 894.14 : x
  2. Step 2: Convert to fraction form
    1,031.66/1,546.13 = 894.14/x
  3. Step 3: Cross multiply
    1,031.66x = 1,546.13 × 894.14
  4. Step 4: Simplify right side
    1,031.66x = 1,382,451.18
  5. Step 5: Solve for x
    x = 1,382,451.18/1,031.66
  6. Step 6: Final answer
    x = 1,340.03

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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.