Home / 3,015.31-4,163.15-1,882.70

Finding the Fourth Proportional to 3,015.31, 4,163.15 and 1,882.70

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Solution

The fourth proportional to 3,015.31, 4,163.15 and 1,882.70 is: 2,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.31 : 4,163.15 = 1,882.70 : x
  2. Step 2: Convert to fraction form
    3,015.31/4,163.15 = 1,882.70/x
  3. Step 3: Cross multiply
    3,015.31x = 4,163.15 × 1,882.70
  4. Step 4: Simplify right side
    3,015.31x = 7,837,977.62
  5. Step 5: Solve for x
    x = 7,837,977.62/3,015.31
  6. Step 6: Final answer
    x = 2,599.40

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Half scale
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Double scale
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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.