Home / 3,642.24-5,457.92-1,694.08

Finding the Fourth Proportional to 3,642.24, 5,457.92 and 1,694.08

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Solution

The fourth proportional to 3,642.24, 5,457.92 and 1,694.08 is: 2,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.24 : 5,457.92 = 1,694.08 : x
  2. Step 2: Convert to fraction form
    3,642.24/5,457.92 = 1,694.08/x
  3. Step 3: Cross multiply
    3,642.24x = 5,457.92 × 1,694.08
  4. Step 4: Simplify right side
    3,642.24x = 9,246,153.11
  5. Step 5: Solve for x
    x = 9,246,153.11/3,642.24
  6. Step 6: Final answer
    x = 2,538.59

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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.