Home / 3,779.29-5,668.03-1,439.61

Finding the Fourth Proportional to 3,779.29, 5,668.03 and 1,439.61

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Solution

The fourth proportional to 3,779.29, 5,668.03 and 1,439.61 is: 2,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.29 : 5,668.03 = 1,439.61 : x
  2. Step 2: Convert to fraction form
    3,779.29/5,668.03 = 1,439.61/x
  3. Step 3: Cross multiply
    3,779.29x = 5,668.03 × 1,439.61
  4. Step 4: Simplify right side
    3,779.29x = 8,159,752.67
  5. Step 5: Solve for x
    x = 8,159,752.67/3,779.29
  6. Step 6: Final answer
    x = 2,159.07

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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.