Home / 3,742.66-5,610.07-1,276.62

Finding the Fourth Proportional to 3,742.66, 5,610.07 and 1,276.62

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Solution

The fourth proportional to 3,742.66, 5,610.07 and 1,276.62 is: 1,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.66 : 5,610.07 = 1,276.62 : x
  2. Step 2: Convert to fraction form
    3,742.66/5,610.07 = 1,276.62/x
  3. Step 3: Cross multiply
    3,742.66x = 5,610.07 × 1,276.62
  4. Step 4: Simplify right side
    3,742.66x = 7,161,927.56
  5. Step 5: Solve for x
    x = 7,161,927.56/3,742.66
  6. Step 6: Final answer
    x = 1,913.59

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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.