Home / 2,276.34-3,412.33-889.21

Finding the Fourth Proportional to 2,276.34, 3,412.33 and 889.21

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Solution

The fourth proportional to 2,276.34, 3,412.33 and 889.21 is: 1,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.34 : 3,412.33 = 889.21 : x
  2. Step 2: Convert to fraction form
    2,276.34/3,412.33 = 889.21/x
  3. Step 3: Cross multiply
    2,276.34x = 3,412.33 × 889.21
  4. Step 4: Simplify right side
    2,276.34x = 3,034,280.00
  5. Step 5: Solve for x
    x = 3,034,280.00/2,276.34
  6. Step 6: Final answer
    x = 1,332.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.