Home / 3,319.13-4,968.97-2,620.91

Finding the Fourth Proportional to 3,319.13, 4,968.97 and 2,620.91

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Solution

The fourth proportional to 3,319.13, 4,968.97 and 2,620.91 is: 3,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.13 : 4,968.97 = 2,620.91 : x
  2. Step 2: Convert to fraction form
    3,319.13/4,968.97 = 2,620.91/x
  3. Step 3: Cross multiply
    3,319.13x = 4,968.97 × 2,620.91
  4. Step 4: Simplify right side
    3,319.13x = 13,023,223.16
  5. Step 5: Solve for x
    x = 13,023,223.16/3,319.13
  6. Step 6: Final answer
    x = 3,923.69

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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.