Home / 3,086.04-4,257.68-1,758.80

Finding the Fourth Proportional to 3,086.04, 4,257.68 and 1,758.80

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Solution

The fourth proportional to 3,086.04, 4,257.68 and 1,758.80 is: 2,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.04 : 4,257.68 = 1,758.80 : x
  2. Step 2: Convert to fraction form
    3,086.04/4,257.68 = 1,758.80/x
  3. Step 3: Cross multiply
    3,086.04x = 4,257.68 × 1,758.80
  4. Step 4: Simplify right side
    3,086.04x = 7,488,390.69
  5. Step 5: Solve for x
    x = 7,488,390.69/3,086.04
  6. Step 6: Final answer
    x = 2,426.54

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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.