Home / 3,719.61-5,133.17-2,040.93

Finding the Fourth Proportional to 3,719.61, 5,133.17 and 2,040.93

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Solution

The fourth proportional to 3,719.61, 5,133.17 and 2,040.93 is: 2,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.61 : 5,133.17 = 2,040.93 : x
  2. Step 2: Convert to fraction form
    3,719.61/5,133.17 = 2,040.93/x
  3. Step 3: Cross multiply
    3,719.61x = 5,133.17 × 2,040.93
  4. Step 4: Simplify right side
    3,719.61x = 10,476,445.75
  5. Step 5: Solve for x
    x = 10,476,445.75/3,719.61
  6. Step 6: Final answer
    x = 2,816.54

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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.