Home / 3,110.55-4,292.41-1,694.20

Finding the Fourth Proportional to 3,110.55, 4,292.41 and 1,694.20

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Solution

The fourth proportional to 3,110.55, 4,292.41 and 1,694.20 is: 2,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.55 : 4,292.41 = 1,694.20 : x
  2. Step 2: Convert to fraction form
    3,110.55/4,292.41 = 1,694.20/x
  3. Step 3: Cross multiply
    3,110.55x = 4,292.41 × 1,694.20
  4. Step 4: Simplify right side
    3,110.55x = 7,272,201.02
  5. Step 5: Solve for x
    x = 7,272,201.02/3,110.55
  6. Step 6: Final answer
    x = 2,337.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.