Home / 3,739.62-5,609.76-1,071.18

Finding the Fourth Proportional to 3,739.62, 5,609.76 and 1,071.18

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Solution

The fourth proportional to 3,739.62, 5,609.76 and 1,071.18 is: 1,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.62 : 5,609.76 = 1,071.18 : x
  2. Step 2: Convert to fraction form
    3,739.62/5,609.76 = 1,071.18/x
  3. Step 3: Cross multiply
    3,739.62x = 5,609.76 × 1,071.18
  4. Step 4: Simplify right side
    3,739.62x = 6,009,062.72
  5. Step 5: Solve for x
    x = 6,009,062.72/3,739.62
  6. Step 6: Final answer
    x = 1,606.86

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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.