Home / 2,642.06-3,958.34-2,485.91

Finding the Fourth Proportional to 2,642.06, 3,958.34 and 2,485.91

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Solution

The fourth proportional to 2,642.06, 3,958.34 and 2,485.91 is: 3,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.06 : 3,958.34 = 2,485.91 : x
  2. Step 2: Convert to fraction form
    2,642.06/3,958.34 = 2,485.91/x
  3. Step 3: Cross multiply
    2,642.06x = 3,958.34 × 2,485.91
  4. Step 4: Simplify right side
    2,642.06x = 9,840,044.77
  5. Step 5: Solve for x
    x = 9,840,044.77/2,642.06
  6. Step 6: Final answer
    x = 3,724.39

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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.