Home / 2,223.17-3,334.76-2,087.86

Finding the Fourth Proportional to 2,223.17, 3,334.76 and 2,087.86

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Solution

The fourth proportional to 2,223.17, 3,334.76 and 2,087.86 is: 3,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.17 : 3,334.76 = 2,087.86 : x
  2. Step 2: Convert to fraction form
    2,223.17/3,334.76 = 2,087.86/x
  3. Step 3: Cross multiply
    2,223.17x = 3,334.76 × 2,087.86
  4. Step 4: Simplify right side
    2,223.17x = 6,962,508.90
  5. Step 5: Solve for x
    x = 6,962,508.90/2,223.17
  6. Step 6: Final answer
    x = 3,131.79

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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.