Home / 2,223.90-3,337.89-1,129.02

Finding the Fourth Proportional to 2,223.90, 3,337.89 and 1,129.02

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Solution

The fourth proportional to 2,223.90, 3,337.89 and 1,129.02 is: 1,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.90 : 3,337.89 = 1,129.02 : x
  2. Step 2: Convert to fraction form
    2,223.90/3,337.89 = 1,129.02/x
  3. Step 3: Cross multiply
    2,223.90x = 3,337.89 × 1,129.02
  4. Step 4: Simplify right side
    2,223.90x = 3,768,544.57
  5. Step 5: Solve for x
    x = 3,768,544.57/2,223.90
  6. Step 6: Final answer
    x = 1,694.57

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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.