Home / 2,223.87-3,333.72-1,126.95

Finding the Fourth Proportional to 2,223.87, 3,333.72 and 1,126.95

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Solution

The fourth proportional to 2,223.87, 3,333.72 and 1,126.95 is: 1,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.87 : 3,333.72 = 1,126.95 : x
  2. Step 2: Convert to fraction form
    2,223.87/3,333.72 = 1,126.95/x
  3. Step 3: Cross multiply
    2,223.87x = 3,333.72 × 1,126.95
  4. Step 4: Simplify right side
    2,223.87x = 3,756,935.75
  5. Step 5: Solve for x
    x = 3,756,935.75/2,223.87
  6. Step 6: Final answer
    x = 1,689.37

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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.