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Finding the Fourth Proportional to 1,364.27, 2,046.40 and 901.95

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Solution

The fourth proportional to 1,364.27, 2,046.40 and 901.95 is: 1,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.27 : 2,046.40 = 901.95 : x
  2. Step 2: Convert to fraction form
    1,364.27/2,046.40 = 901.95/x
  3. Step 3: Cross multiply
    1,364.27x = 2,046.40 × 901.95
  4. Step 4: Simplify right side
    1,364.27x = 1,845,748.23
  5. Step 5: Solve for x
    x = 1,845,748.23/1,364.27
  6. Step 6: Final answer
    x = 1,352.92

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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.