Home / 3,414.95-5,122.86-1,223.49

Finding the Fourth Proportional to 3,414.95, 5,122.86 and 1,223.49

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Solution

The fourth proportional to 3,414.95, 5,122.86 and 1,223.49 is: 1,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.95 : 5,122.86 = 1,223.49 : x
  2. Step 2: Convert to fraction form
    3,414.95/5,122.86 = 1,223.49/x
  3. Step 3: Cross multiply
    3,414.95x = 5,122.86 × 1,223.49
  4. Step 4: Simplify right side
    3,414.95x = 6,267,767.98
  5. Step 5: Solve for x
    x = 6,267,767.98/3,414.95
  6. Step 6: Final answer
    x = 1,835.39

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Double scale
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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.