Home / 4,138.19-5,710.65-3,080.68

Finding the Fourth Proportional to 4,138.19, 5,710.65 and 3,080.68

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Solution

The fourth proportional to 4,138.19, 5,710.65 and 3,080.68 is: 4,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.19 : 5,710.65 = 3,080.68 : x
  2. Step 2: Convert to fraction form
    4,138.19/5,710.65 = 3,080.68/x
  3. Step 3: Cross multiply
    4,138.19x = 5,710.65 × 3,080.68
  4. Step 4: Simplify right side
    4,138.19x = 17,592,641.29
  5. Step 5: Solve for x
    x = 17,592,641.29/4,138.19
  6. Step 6: Final answer
    x = 4,251.29

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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.