Home / 2,223.59-3,334.37-1,299.43

Finding the Fourth Proportional to 2,223.59, 3,334.37 and 1,299.43

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Solution

The fourth proportional to 2,223.59, 3,334.37 and 1,299.43 is: 1,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.59 : 3,334.37 = 1,299.43 : x
  2. Step 2: Convert to fraction form
    2,223.59/3,334.37 = 1,299.43/x
  3. Step 3: Cross multiply
    2,223.59x = 3,334.37 × 1,299.43
  4. Step 4: Simplify right side
    2,223.59x = 4,332,787.46
  5. Step 5: Solve for x
    x = 4,332,787.46/2,223.59
  6. Step 6: Final answer
    x = 1,948.55

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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.