Home / 3,717.14-5,575.73-1,120.10

Finding the Fourth Proportional to 3,717.14, 5,575.73 and 1,120.10

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Solution

The fourth proportional to 3,717.14, 5,575.73 and 1,120.10 is: 1,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.14 : 5,575.73 = 1,120.10 : x
  2. Step 2: Convert to fraction form
    3,717.14/5,575.73 = 1,120.10/x
  3. Step 3: Cross multiply
    3,717.14x = 5,575.73 × 1,120.10
  4. Step 4: Simplify right side
    3,717.14x = 6,245,341.69
  5. Step 5: Solve for x
    x = 6,245,341.69/3,717.14
  6. Step 6: Final answer
    x = 1,680.15

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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.