Home / 3,741.78-5,609.88-1,275.93

Finding the Fourth Proportional to 3,741.78, 5,609.88 and 1,275.93

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Solution

The fourth proportional to 3,741.78, 5,609.88 and 1,275.93 is: 1,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.78 : 5,609.88 = 1,275.93 : x
  2. Step 2: Convert to fraction form
    3,741.78/5,609.88 = 1,275.93/x
  3. Step 3: Cross multiply
    3,741.78x = 5,609.88 × 1,275.93
  4. Step 4: Simplify right side
    3,741.78x = 7,157,814.19
  5. Step 5: Solve for x
    x = 7,157,814.19/3,741.78
  6. Step 6: Final answer
    x = 1,912.94

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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.