Home / 4,238.97-5,849.14-2,421.86

Finding the Fourth Proportional to 4,238.97, 5,849.14 and 2,421.86

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Solution

The fourth proportional to 4,238.97, 5,849.14 and 2,421.86 is: 3,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.97 : 5,849.14 = 2,421.86 : x
  2. Step 2: Convert to fraction form
    4,238.97/5,849.14 = 2,421.86/x
  3. Step 3: Cross multiply
    4,238.97x = 5,849.14 × 2,421.86
  4. Step 4: Simplify right side
    4,238.97x = 14,165,768.95
  5. Step 5: Solve for x
    x = 14,165,768.95/4,238.97
  6. Step 6: Final answer
    x = 3,341.80

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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.