Home / 2,222.22-3,333.72-1,126.28

Finding the Fourth Proportional to 2,222.22, 3,333.72 and 1,126.28

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Solution

The fourth proportional to 2,222.22, 3,333.72 and 1,126.28 is: 1,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.22 : 3,333.72 = 1,126.28 : x
  2. Step 2: Convert to fraction form
    2,222.22/3,333.72 = 1,126.28/x
  3. Step 3: Cross multiply
    2,222.22x = 3,333.72 × 1,126.28
  4. Step 4: Simplify right side
    2,222.22x = 3,754,702.16
  5. Step 5: Solve for x
    x = 3,754,702.16/2,222.22
  6. Step 6: Final answer
    x = 1,689.62

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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.