Home / 3,779.71-5,670.59-1,147.11

Finding the Fourth Proportional to 3,779.71, 5,670.59 and 1,147.11

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Solution

The fourth proportional to 3,779.71, 5,670.59 and 1,147.11 is: 1,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.71 : 5,670.59 = 1,147.11 : x
  2. Step 2: Convert to fraction form
    3,779.71/5,670.59 = 1,147.11/x
  3. Step 3: Cross multiply
    3,779.71x = 5,670.59 × 1,147.11
  4. Step 4: Simplify right side
    3,779.71x = 6,504,790.49
  5. Step 5: Solve for x
    x = 6,504,790.49/3,779.71
  6. Step 6: Final answer
    x = 1,720.98

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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.