Home / 2,686.59-4,028.70-1,104.22

Finding the Fourth Proportional to 2,686.59, 4,028.70 and 1,104.22

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Solution

The fourth proportional to 2,686.59, 4,028.70 and 1,104.22 is: 1,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.59 : 4,028.70 = 1,104.22 : x
  2. Step 2: Convert to fraction form
    2,686.59/4,028.70 = 1,104.22/x
  3. Step 3: Cross multiply
    2,686.59x = 4,028.70 × 1,104.22
  4. Step 4: Simplify right side
    2,686.59x = 4,448,571.11
  5. Step 5: Solve for x
    x = 4,448,571.11/2,686.59
  6. Step 6: Final answer
    x = 1,655.85

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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.