Home / 3,769.42-5,206.82-3,142.04

Finding the Fourth Proportional to 3,769.42, 5,206.82 and 3,142.04

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Solution

The fourth proportional to 3,769.42, 5,206.82 and 3,142.04 is: 4,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.42 : 5,206.82 = 3,142.04 : x
  2. Step 2: Convert to fraction form
    3,769.42/5,206.82 = 3,142.04/x
  3. Step 3: Cross multiply
    3,769.42x = 5,206.82 × 3,142.04
  4. Step 4: Simplify right side
    3,769.42x = 16,360,036.71
  5. Step 5: Solve for x
    x = 16,360,036.71/3,769.42
  6. Step 6: Final answer
    x = 4,340.20

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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.