Home / 3,176.10-4,764.15-2,820.71

Finding the Fourth Proportional to 3,176.10, 4,764.15 and 2,820.71

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Solution

The fourth proportional to 3,176.10, 4,764.15 and 2,820.71 is: 4,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.10 : 4,764.15 = 2,820.71 : x
  2. Step 2: Convert to fraction form
    3,176.10/4,764.15 = 2,820.71/x
  3. Step 3: Cross multiply
    3,176.10x = 4,764.15 × 2,820.71
  4. Step 4: Simplify right side
    3,176.10x = 13,438,297.46
  5. Step 5: Solve for x
    x = 13,438,297.46/3,176.10
  6. Step 6: Final answer
    x = 4,231.07

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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.