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Finding the Fourth Proportional to 3,397.96, 5,085.06 and 2,941.48

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Solution

The fourth proportional to 3,397.96, 5,085.06 and 2,941.48 is: 4,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.96 : 5,085.06 = 2,941.48 : x
  2. Step 2: Convert to fraction form
    3,397.96/5,085.06 = 2,941.48/x
  3. Step 3: Cross multiply
    3,397.96x = 5,085.06 × 2,941.48
  4. Step 4: Simplify right side
    3,397.96x = 14,957,602.29
  5. Step 5: Solve for x
    x = 14,957,602.29/3,397.96
  6. Step 6: Final answer
    x = 4,401.94

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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.