Home / 3,141.36-4,332.04-1,882.20

Finding the Fourth Proportional to 3,141.36, 4,332.04 and 1,882.20

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Solution

The fourth proportional to 3,141.36, 4,332.04 and 1,882.20 is: 2,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.36 : 4,332.04 = 1,882.20 : x
  2. Step 2: Convert to fraction form
    3,141.36/4,332.04 = 1,882.20/x
  3. Step 3: Cross multiply
    3,141.36x = 4,332.04 × 1,882.20
  4. Step 4: Simplify right side
    3,141.36x = 8,153,765.69
  5. Step 5: Solve for x
    x = 8,153,765.69/3,141.36
  6. Step 6: Final answer
    x = 2,595.62

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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.