Home / 3,800.85-5,703.25-2,876.14

Finding the Fourth Proportional to 3,800.85, 5,703.25 and 2,876.14

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Solution

The fourth proportional to 3,800.85, 5,703.25 and 2,876.14 is: 4,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.85 : 5,703.25 = 2,876.14 : x
  2. Step 2: Convert to fraction form
    3,800.85/5,703.25 = 2,876.14/x
  3. Step 3: Cross multiply
    3,800.85x = 5,703.25 × 2,876.14
  4. Step 4: Simplify right side
    3,800.85x = 16,403,345.46
  5. Step 5: Solve for x
    x = 16,403,345.46/3,800.85
  6. Step 6: Final answer
    x = 4,315.70

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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.