Home / 3,717.20-5,574.16-1,119.68

Finding the Fourth Proportional to 3,717.20, 5,574.16 and 1,119.68

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Solution

The fourth proportional to 3,717.20, 5,574.16 and 1,119.68 is: 1,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.20 : 5,574.16 = 1,119.68 : x
  2. Step 2: Convert to fraction form
    3,717.20/5,574.16 = 1,119.68/x
  3. Step 3: Cross multiply
    3,717.20x = 5,574.16 × 1,119.68
  4. Step 4: Simplify right side
    3,717.20x = 6,241,275.47
  5. Step 5: Solve for x
    x = 6,241,275.47/3,717.20
  6. Step 6: Final answer
    x = 1,679.03

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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.