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Finding the Fourth Proportional to 2,298.06, 3,447.08 and 654.61

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Solution

The fourth proportional to 2,298.06, 3,447.08 and 654.61 is: 981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.06 : 3,447.08 = 654.61 : x
  2. Step 2: Convert to fraction form
    2,298.06/3,447.08 = 654.61/x
  3. Step 3: Cross multiply
    2,298.06x = 3,447.08 × 654.61
  4. Step 4: Simplify right side
    2,298.06x = 2,256,489.77
  5. Step 5: Solve for x
    x = 2,256,489.77/2,298.06
  6. Step 6: Final answer
    x = 981.91

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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.