Home / 2,092.06-3,140.12-1,118.85

Finding the Fourth Proportional to 2,092.06, 3,140.12 and 1,118.85

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Solution

The fourth proportional to 2,092.06, 3,140.12 and 1,118.85 is: 1,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.06 : 3,140.12 = 1,118.85 : x
  2. Step 2: Convert to fraction form
    2,092.06/3,140.12 = 1,118.85/x
  3. Step 3: Cross multiply
    2,092.06x = 3,140.12 × 1,118.85
  4. Step 4: Simplify right side
    2,092.06x = 3,513,323.26
  5. Step 5: Solve for x
    x = 3,513,323.26/2,092.06
  6. Step 6: Final answer
    x = 1,679.36

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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.