Home / 2,028.76-3,040.68-1,158.84

Finding the Fourth Proportional to 2,028.76, 3,040.68 and 1,158.84

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Solution

The fourth proportional to 2,028.76, 3,040.68 and 1,158.84 is: 1,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.76 : 3,040.68 = 1,158.84 : x
  2. Step 2: Convert to fraction form
    2,028.76/3,040.68 = 1,158.84/x
  3. Step 3: Cross multiply
    2,028.76x = 3,040.68 × 1,158.84
  4. Step 4: Simplify right side
    2,028.76x = 3,523,661.61
  5. Step 5: Solve for x
    x = 3,523,661.61/2,028.76
  6. Step 6: Final answer
    x = 1,736.85

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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.