Home / 2,149.17-3,224.16-1,225.77

Finding the Fourth Proportional to 2,149.17, 3,224.16 and 1,225.77

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Solution

The fourth proportional to 2,149.17, 3,224.16 and 1,225.77 is: 1,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.17 : 3,224.16 = 1,225.77 : x
  2. Step 2: Convert to fraction form
    2,149.17/3,224.16 = 1,225.77/x
  3. Step 3: Cross multiply
    2,149.17x = 3,224.16 × 1,225.77
  4. Step 4: Simplify right side
    2,149.17x = 3,952,078.60
  5. Step 5: Solve for x
    x = 3,952,078.60/2,149.17
  6. Step 6: Final answer
    x = 1,838.89

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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.