Home / 3,454.14-5,147.88-3,448.65

Finding the Fourth Proportional to 3,454.14, 5,147.88 and 3,448.65

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Solution

The fourth proportional to 3,454.14, 5,147.88 and 3,448.65 is: 5,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.14 : 5,147.88 = 3,448.65 : x
  2. Step 2: Convert to fraction form
    3,454.14/5,147.88 = 3,448.65/x
  3. Step 3: Cross multiply
    3,454.14x = 5,147.88 × 3,448.65
  4. Step 4: Simplify right side
    3,454.14x = 17,753,236.36
  5. Step 5: Solve for x
    x = 17,753,236.36/3,454.14
  6. Step 6: Final answer
    x = 5,139.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.