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Finding the Fourth Proportional to 1,932.47, 2,894.83 and 891.04

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Solution

The fourth proportional to 1,932.47, 2,894.83 and 891.04 is: 1,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.47 : 2,894.83 = 891.04 : x
  2. Step 2: Convert to fraction form
    1,932.47/2,894.83 = 891.04/x
  3. Step 3: Cross multiply
    1,932.47x = 2,894.83 × 891.04
  4. Step 4: Simplify right side
    1,932.47x = 2,579,414.06
  5. Step 5: Solve for x
    x = 2,579,414.06/1,932.47
  6. Step 6: Final answer
    x = 1,334.78

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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.