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Finding the Fourth Proportional to 3,992.42, 5,987.86 and 2,347.04

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Solution

The fourth proportional to 3,992.42, 5,987.86 and 2,347.04 is: 3,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.42 : 5,987.86 = 2,347.04 : x
  2. Step 2: Convert to fraction form
    3,992.42/5,987.86 = 2,347.04/x
  3. Step 3: Cross multiply
    3,992.42x = 5,987.86 × 2,347.04
  4. Step 4: Simplify right side
    3,992.42x = 14,053,746.93
  5. Step 5: Solve for x
    x = 14,053,746.93/3,992.42
  6. Step 6: Final answer
    x = 3,520.11

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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.