Home / 4,138.16-5,710.61-3,080.65

Finding the Fourth Proportional to 4,138.16, 5,710.61 and 3,080.65

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Solution

The fourth proportional to 4,138.16, 5,710.61 and 3,080.65 is: 4,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.16 : 5,710.61 = 3,080.65 : x
  2. Step 2: Convert to fraction form
    4,138.16/5,710.61 = 3,080.65/x
  3. Step 3: Cross multiply
    4,138.16x = 5,710.61 × 3,080.65
  4. Step 4: Simplify right side
    4,138.16x = 17,592,390.70
  5. Step 5: Solve for x
    x = 17,592,390.70/4,138.16
  6. Step 6: Final answer
    x = 4,251.26

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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.