Home / 2,125.29-3,184.73-1,028.35

Finding the Fourth Proportional to 2,125.29, 3,184.73 and 1,028.35

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Solution

The fourth proportional to 2,125.29, 3,184.73 and 1,028.35 is: 1,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.29 : 3,184.73 = 1,028.35 : x
  2. Step 2: Convert to fraction form
    2,125.29/3,184.73 = 1,028.35/x
  3. Step 3: Cross multiply
    2,125.29x = 3,184.73 × 1,028.35
  4. Step 4: Simplify right side
    2,125.29x = 3,275,017.10
  5. Step 5: Solve for x
    x = 3,275,017.10/2,125.29
  6. Step 6: Final answer
    x = 1,540.97

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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.