Home / 2,228.54-3,069.68-1,874.07

Finding the Fourth Proportional to 2,228.54, 3,069.68 and 1,874.07

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Solution

The fourth proportional to 2,228.54, 3,069.68 and 1,874.07 is: 2,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.54 : 3,069.68 = 1,874.07 : x
  2. Step 2: Convert to fraction form
    2,228.54/3,069.68 = 1,874.07/x
  3. Step 3: Cross multiply
    2,228.54x = 3,069.68 × 1,874.07
  4. Step 4: Simplify right side
    2,228.54x = 5,752,795.20
  5. Step 5: Solve for x
    x = 5,752,795.20/2,228.54
  6. Step 6: Final answer
    x = 2,581.42

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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.