Home / 2,742.92-4,109.59-2,283.65

Finding the Fourth Proportional to 2,742.92, 4,109.59 and 2,283.65

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Solution

The fourth proportional to 2,742.92, 4,109.59 and 2,283.65 is: 3,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.92 : 4,109.59 = 2,283.65 : x
  2. Step 2: Convert to fraction form
    2,742.92/4,109.59 = 2,283.65/x
  3. Step 3: Cross multiply
    2,742.92x = 4,109.59 × 2,283.65
  4. Step 4: Simplify right side
    2,742.92x = 9,384,865.20
  5. Step 5: Solve for x
    x = 9,384,865.20/2,742.92
  6. Step 6: Final answer
    x = 3,421.49

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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.