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Finding the Fourth Proportional to 2,489.02, 3,733.71 and 844.90

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Solution

The fourth proportional to 2,489.02, 3,733.71 and 844.90 is: 1,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.02 : 3,733.71 = 844.90 : x
  2. Step 2: Convert to fraction form
    2,489.02/3,733.71 = 844.90/x
  3. Step 3: Cross multiply
    2,489.02x = 3,733.71 × 844.90
  4. Step 4: Simplify right side
    2,489.02x = 3,154,611.58
  5. Step 5: Solve for x
    x = 3,154,611.58/2,489.02
  6. Step 6: Final answer
    x = 1,267.41

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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.