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Finding the Fourth Proportional to 3,904.07, 5,853.51 and 2,149.90

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Solution

The fourth proportional to 3,904.07, 5,853.51 and 2,149.90 is: 3,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.07 : 5,853.51 = 2,149.90 : x
  2. Step 2: Convert to fraction form
    3,904.07/5,853.51 = 2,149.90/x
  3. Step 3: Cross multiply
    3,904.07x = 5,853.51 × 2,149.90
  4. Step 4: Simplify right side
    3,904.07x = 12,584,482.47
  5. Step 5: Solve for x
    x = 12,584,482.47/3,904.07
  6. Step 6: Final answer
    x = 3,223.42

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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.