Home / 3,491.72-5,235.38-1,642.04

Finding the Fourth Proportional to 3,491.72, 5,235.38 and 1,642.04

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Solution

The fourth proportional to 3,491.72, 5,235.38 and 1,642.04 is: 2,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.72 : 5,235.38 = 1,642.04 : x
  2. Step 2: Convert to fraction form
    3,491.72/5,235.38 = 1,642.04/x
  3. Step 3: Cross multiply
    3,491.72x = 5,235.38 × 1,642.04
  4. Step 4: Simplify right side
    3,491.72x = 8,596,703.38
  5. Step 5: Solve for x
    x = 8,596,703.38/3,491.72
  6. Step 6: Final answer
    x = 2,462.03

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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.