Home / 3,950.62-5,451.75-2,182.18

Finding the Fourth Proportional to 3,950.62, 5,451.75 and 2,182.18

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Solution

The fourth proportional to 3,950.62, 5,451.75 and 2,182.18 is: 3,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.62 : 5,451.75 = 2,182.18 : x
  2. Step 2: Convert to fraction form
    3,950.62/5,451.75 = 2,182.18/x
  3. Step 3: Cross multiply
    3,950.62x = 5,451.75 × 2,182.18
  4. Step 4: Simplify right side
    3,950.62x = 11,896,699.82
  5. Step 5: Solve for x
    x = 11,896,699.82/3,950.62
  6. Step 6: Final answer
    x = 3,011.35

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1.5x scale

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.