Home / 3,719.55-5,132.93-2,040.87

Finding the Fourth Proportional to 3,719.55, 5,132.93 and 2,040.87

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Solution

The fourth proportional to 3,719.55, 5,132.93 and 2,040.87 is: 2,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.55 : 5,132.93 = 2,040.87 : x
  2. Step 2: Convert to fraction form
    3,719.55/5,132.93 = 2,040.87/x
  3. Step 3: Cross multiply
    3,719.55x = 5,132.93 × 2,040.87
  4. Step 4: Simplify right side
    3,719.55x = 10,475,632.64
  5. Step 5: Solve for x
    x = 10,475,632.64/3,719.55
  6. Step 6: Final answer
    x = 2,816.37

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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.