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Finding the Fourth Proportional to 2,297.79, 3,447.23 and 654.36

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Solution

The fourth proportional to 2,297.79, 3,447.23 and 654.36 is: 981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.79 : 3,447.23 = 654.36 : x
  2. Step 2: Convert to fraction form
    2,297.79/3,447.23 = 654.36/x
  3. Step 3: Cross multiply
    2,297.79x = 3,447.23 × 654.36
  4. Step 4: Simplify right side
    2,297.79x = 2,255,726.15
  5. Step 5: Solve for x
    x = 2,255,726.15/2,297.79
  6. Step 6: Final answer
    x = 981.69

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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.