Home / 3,700.22-5,102.91-2,859.62

Finding the Fourth Proportional to 3,700.22, 5,102.91 and 2,859.62

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Solution

The fourth proportional to 3,700.22, 5,102.91 and 2,859.62 is: 3,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.22 : 5,102.91 = 2,859.62 : x
  2. Step 2: Convert to fraction form
    3,700.22/5,102.91 = 2,859.62/x
  3. Step 3: Cross multiply
    3,700.22x = 5,102.91 × 2,859.62
  4. Step 4: Simplify right side
    3,700.22x = 14,592,357.98
  5. Step 5: Solve for x
    x = 14,592,357.98/3,700.22
  6. Step 6: Final answer
    x = 3,943.65

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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.