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Finding the Fourth Proportional to 2,504.61, 3,754.40 and 860.04

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Solution

The fourth proportional to 2,504.61, 3,754.40 and 860.04 is: 1,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.61 : 3,754.40 = 860.04 : x
  2. Step 2: Convert to fraction form
    2,504.61/3,754.40 = 860.04/x
  3. Step 3: Cross multiply
    2,504.61x = 3,754.40 × 860.04
  4. Step 4: Simplify right side
    2,504.61x = 3,228,929.88
  5. Step 5: Solve for x
    x = 3,228,929.88/2,504.61
  6. Step 6: Final answer
    x = 1,289.19

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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.