Home / 3,872.24-5,798.06-2,642.08

Finding the Fourth Proportional to 3,872.24, 5,798.06 and 2,642.08

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Solution

The fourth proportional to 3,872.24, 5,798.06 and 2,642.08 is: 3,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.24 : 5,798.06 = 2,642.08 : x
  2. Step 2: Convert to fraction form
    3,872.24/5,798.06 = 2,642.08/x
  3. Step 3: Cross multiply
    3,872.24x = 5,798.06 × 2,642.08
  4. Step 4: Simplify right side
    3,872.24x = 15,318,938.36
  5. Step 5: Solve for x
    x = 15,318,938.36/3,872.24
  6. Step 6: Final answer
    x = 3,956.09

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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.