Home / 2,423.29-3,635.19-779.45

Finding the Fourth Proportional to 2,423.29, 3,635.19 and 779.45

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Solution

The fourth proportional to 2,423.29, 3,635.19 and 779.45 is: 1,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.29 : 3,635.19 = 779.45 : x
  2. Step 2: Convert to fraction form
    2,423.29/3,635.19 = 779.45/x
  3. Step 3: Cross multiply
    2,423.29x = 3,635.19 × 779.45
  4. Step 4: Simplify right side
    2,423.29x = 2,833,448.85
  5. Step 5: Solve for x
    x = 2,833,448.85/2,423.29
  6. Step 6: Final answer
    x = 1,169.26

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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.