Home / 3,719.85-5,133.30-2,041.26

Finding the Fourth Proportional to 3,719.85, 5,133.30 and 2,041.26

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Solution

The fourth proportional to 3,719.85, 5,133.30 and 2,041.26 is: 2,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.85 : 5,133.30 = 2,041.26 : x
  2. Step 2: Convert to fraction form
    3,719.85/5,133.30 = 2,041.26/x
  3. Step 3: Cross multiply
    3,719.85x = 5,133.30 × 2,041.26
  4. Step 4: Simplify right side
    3,719.85x = 10,478,399.96
  5. Step 5: Solve for x
    x = 10,478,399.96/3,719.85
  6. Step 6: Final answer
    x = 2,816.89

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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.