Home / 2,281.76-3,141.21-2,177.27

Finding the Fourth Proportional to 2,281.76, 3,141.21 and 2,177.27

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Solution

The fourth proportional to 2,281.76, 3,141.21 and 2,177.27 is: 2,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.76 : 3,141.21 = 2,177.27 : x
  2. Step 2: Convert to fraction form
    2,281.76/3,141.21 = 2,177.27/x
  3. Step 3: Cross multiply
    2,281.76x = 3,141.21 × 2,177.27
  4. Step 4: Simplify right side
    2,281.76x = 6,839,262.30
  5. Step 5: Solve for x
    x = 6,839,262.30/2,281.76
  6. Step 6: Final answer
    x = 2,997.36

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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.