Home / 2,223.04-3,334.84-1,126.48

Finding the Fourth Proportional to 2,223.04, 3,334.84 and 1,126.48

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Solution

The fourth proportional to 2,223.04, 3,334.84 and 1,126.48 is: 1,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.04 : 3,334.84 = 1,126.48 : x
  2. Step 2: Convert to fraction form
    2,223.04/3,334.84 = 1,126.48/x
  3. Step 3: Cross multiply
    2,223.04x = 3,334.84 × 1,126.48
  4. Step 4: Simplify right side
    2,223.04x = 3,756,630.56
  5. Step 5: Solve for x
    x = 3,756,630.56/2,223.04
  6. Step 6: Final answer
    x = 1,689.86

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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.