Home / 3,005.91-4,151.66-2,655.99

Finding the Fourth Proportional to 3,005.91, 4,151.66 and 2,655.99

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Solution

The fourth proportional to 3,005.91, 4,151.66 and 2,655.99 is: 3,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.91 : 4,151.66 = 2,655.99 : x
  2. Step 2: Convert to fraction form
    3,005.91/4,151.66 = 2,655.99/x
  3. Step 3: Cross multiply
    3,005.91x = 4,151.66 × 2,655.99
  4. Step 4: Simplify right side
    3,005.91x = 11,026,754.16
  5. Step 5: Solve for x
    x = 11,026,754.16/3,005.91
  6. Step 6: Final answer
    x = 3,668.36

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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.