Home / 2,194.95-3,028.77-1,250.40

Finding the Fourth Proportional to 2,194.95, 3,028.77 and 1,250.40

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Solution

The fourth proportional to 2,194.95, 3,028.77 and 1,250.40 is: 1,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.95 : 3,028.77 = 1,250.40 : x
  2. Step 2: Convert to fraction form
    2,194.95/3,028.77 = 1,250.40/x
  3. Step 3: Cross multiply
    2,194.95x = 3,028.77 × 1,250.40
  4. Step 4: Simplify right side
    2,194.95x = 3,787,174.01
  5. Step 5: Solve for x
    x = 3,787,174.01/2,194.95
  6. Step 6: Final answer
    x = 1,725.40

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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.