Home / 2,223.13-3,334.89-663.04

Finding the Fourth Proportional to 2,223.13, 3,334.89 and 663.04

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Solution

The fourth proportional to 2,223.13, 3,334.89 and 663.04 is: 994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.13 : 3,334.89 = 663.04 : x
  2. Step 2: Convert to fraction form
    2,223.13/3,334.89 = 663.04/x
  3. Step 3: Cross multiply
    2,223.13x = 3,334.89 × 663.04
  4. Step 4: Simplify right side
    2,223.13x = 2,211,151.03
  5. Step 5: Solve for x
    x = 2,211,151.03/2,223.13
  6. Step 6: Final answer
    x = 994.61

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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.