Home / 3,177.81-4,767.20-2,306.90

Finding the Fourth Proportional to 3,177.81, 4,767.20 and 2,306.90

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Solution

The fourth proportional to 3,177.81, 4,767.20 and 2,306.90 is: 3,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.81 : 4,767.20 = 2,306.90 : x
  2. Step 2: Convert to fraction form
    3,177.81/4,767.20 = 2,306.90/x
  3. Step 3: Cross multiply
    3,177.81x = 4,767.20 × 2,306.90
  4. Step 4: Simplify right side
    3,177.81x = 10,997,418.31
  5. Step 5: Solve for x
    x = 10,997,418.31/3,177.81
  6. Step 6: Final answer
    x = 3,460.69

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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.