Home / 3,209.19-4,830.84-2,291.10

Finding the Fourth Proportional to 3,209.19, 4,830.84 and 2,291.10

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Solution

The fourth proportional to 3,209.19, 4,830.84 and 2,291.10 is: 3,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.19 : 4,830.84 = 2,291.10 : x
  2. Step 2: Convert to fraction form
    3,209.19/4,830.84 = 2,291.10/x
  3. Step 3: Cross multiply
    3,209.19x = 4,830.84 × 2,291.10
  4. Step 4: Simplify right side
    3,209.19x = 11,067,937.52
  5. Step 5: Solve for x
    x = 11,067,937.52/3,209.19
  6. Step 6: Final answer
    x = 3,448.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.