Home / 3,719.79-5,133.51-2,227.50

Finding the Fourth Proportional to 3,719.79, 5,133.51 and 2,227.50

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Solution

The fourth proportional to 3,719.79, 5,133.51 and 2,227.50 is: 3,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.79 : 5,133.51 = 2,227.50 : x
  2. Step 2: Convert to fraction form
    3,719.79/5,133.51 = 2,227.50/x
  3. Step 3: Cross multiply
    3,719.79x = 5,133.51 × 2,227.50
  4. Step 4: Simplify right side
    3,719.79x = 11,434,893.53
  5. Step 5: Solve for x
    x = 11,434,893.53/3,719.79
  6. Step 6: Final answer
    x = 3,074.07

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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.