Home / 3,776.91-5,655.78-3,159.07

Finding the Fourth Proportional to 3,776.91, 5,655.78 and 3,159.07

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Solution

The fourth proportional to 3,776.91, 5,655.78 and 3,159.07 is: 4,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.91 : 5,655.78 = 3,159.07 : x
  2. Step 2: Convert to fraction form
    3,776.91/5,655.78 = 3,159.07/x
  3. Step 3: Cross multiply
    3,776.91x = 5,655.78 × 3,159.07
  4. Step 4: Simplify right side
    3,776.91x = 17,867,004.92
  5. Step 5: Solve for x
    x = 17,867,004.92/3,776.91
  6. Step 6: Final answer
    x = 4,730.59

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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.