Home / 3,719.96-5,602.21-3,387.81

Finding the Fourth Proportional to 3,719.96, 5,602.21 and 3,387.81

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Solution

The fourth proportional to 3,719.96, 5,602.21 and 3,387.81 is: 5,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.96 : 5,602.21 = 3,387.81 : x
  2. Step 2: Convert to fraction form
    3,719.96/5,602.21 = 3,387.81/x
  3. Step 3: Cross multiply
    3,719.96x = 5,602.21 × 3,387.81
  4. Step 4: Simplify right side
    3,719.96x = 18,979,223.14
  5. Step 5: Solve for x
    x = 18,979,223.14/3,719.96
  6. Step 6: Final answer
    x = 5,102.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.