Home / 3,719.02-5,132.16-2,040.38

Finding the Fourth Proportional to 3,719.02, 5,132.16 and 2,040.38

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Solution

The fourth proportional to 3,719.02, 5,132.16 and 2,040.38 is: 2,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.02 : 5,132.16 = 2,040.38 : x
  2. Step 2: Convert to fraction form
    3,719.02/5,132.16 = 2,040.38/x
  3. Step 3: Cross multiply
    3,719.02x = 5,132.16 × 2,040.38
  4. Step 4: Simplify right side
    3,719.02x = 10,471,556.62
  5. Step 5: Solve for x
    x = 10,471,556.62/3,719.02
  6. Step 6: Final answer
    x = 2,815.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.