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Finding the Fourth Proportional to 4,342.79, 5,992.57 and 2,479.79

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Solution

The fourth proportional to 4,342.79, 5,992.57 and 2,479.79 is: 3,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.79 : 5,992.57 = 2,479.79 : x
  2. Step 2: Convert to fraction form
    4,342.79/5,992.57 = 2,479.79/x
  3. Step 3: Cross multiply
    4,342.79x = 5,992.57 × 2,479.79
  4. Step 4: Simplify right side
    4,342.79x = 14,860,315.16
  5. Step 5: Solve for x
    x = 14,860,315.16/4,342.79
  6. Step 6: Final answer
    x = 3,421.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.