Home / 2,166.94-3,250.68-867.70

Finding the Fourth Proportional to 2,166.94, 3,250.68 and 867.70

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Solution

The fourth proportional to 2,166.94, 3,250.68 and 867.70 is: 1,301.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.94 : 3,250.68 = 867.70 : x
  2. Step 2: Convert to fraction form
    2,166.94/3,250.68 = 867.70/x
  3. Step 3: Cross multiply
    2,166.94x = 3,250.68 × 867.70
  4. Step 4: Simplify right side
    2,166.94x = 2,820,615.04
  5. Step 5: Solve for x
    x = 2,820,615.04/2,166.94
  6. Step 6: Final answer
    x = 1,301.66

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1.5x scale

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.