Home / 3,120.91-4,686.22-2,536.69

Finding the Fourth Proportional to 3,120.91, 4,686.22 and 2,536.69

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Solution

The fourth proportional to 3,120.91, 4,686.22 and 2,536.69 is: 3,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.91 : 4,686.22 = 2,536.69 : x
  2. Step 2: Convert to fraction form
    3,120.91/4,686.22 = 2,536.69/x
  3. Step 3: Cross multiply
    3,120.91x = 4,686.22 × 2,536.69
  4. Step 4: Simplify right side
    3,120.91x = 11,887,487.41
  5. Step 5: Solve for x
    x = 11,887,487.41/3,120.91
  6. Step 6: Final answer
    x = 3,808.98

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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.