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Finding the Fourth Proportional to 3,999.84, 6,001.49 and 2,148.79

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Solution

The fourth proportional to 3,999.84, 6,001.49 and 2,148.79 is: 3,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.84 : 6,001.49 = 2,148.79 : x
  2. Step 2: Convert to fraction form
    3,999.84/6,001.49 = 2,148.79/x
  3. Step 3: Cross multiply
    3,999.84x = 6,001.49 × 2,148.79
  4. Step 4: Simplify right side
    3,999.84x = 12,895,941.70
  5. Step 5: Solve for x
    x = 12,895,941.70/3,999.84
  6. Step 6: Final answer
    x = 3,224.11

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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.