Home / 3,378.24-5,064.80-1,814.08

Finding the Fourth Proportional to 3,378.24, 5,064.80 and 1,814.08

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Solution

The fourth proportional to 3,378.24, 5,064.80 and 1,814.08 is: 2,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.24 : 5,064.80 = 1,814.08 : x
  2. Step 2: Convert to fraction form
    3,378.24/5,064.80 = 1,814.08/x
  3. Step 3: Cross multiply
    3,378.24x = 5,064.80 × 1,814.08
  4. Step 4: Simplify right side
    3,378.24x = 9,187,952.38
  5. Step 5: Solve for x
    x = 9,187,952.38/3,378.24
  6. Step 6: Final answer
    x = 2,719.75

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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.