Home / 3,689.76-5,529.72-2,047.08

Finding the Fourth Proportional to 3,689.76, 5,529.72 and 2,047.08

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Solution

The fourth proportional to 3,689.76, 5,529.72 and 2,047.08 is: 3,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.76 : 5,529.72 = 2,047.08 : x
  2. Step 2: Convert to fraction form
    3,689.76/5,529.72 = 2,047.08/x
  3. Step 3: Cross multiply
    3,689.76x = 5,529.72 × 2,047.08
  4. Step 4: Simplify right side
    3,689.76x = 11,319,779.22
  5. Step 5: Solve for x
    x = 11,319,779.22/3,689.76
  6. Step 6: Final answer
    x = 3,067.89

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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.