Home / 3,719.34-5,579.01-1,122.27

Finding the Fourth Proportional to 3,719.34, 5,579.01 and 1,122.27

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Solution

The fourth proportional to 3,719.34, 5,579.01 and 1,122.27 is: 1,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.34 : 5,579.01 = 1,122.27 : x
  2. Step 2: Convert to fraction form
    3,719.34/5,579.01 = 1,122.27/x
  3. Step 3: Cross multiply
    3,719.34x = 5,579.01 × 1,122.27
  4. Step 4: Simplify right side
    3,719.34x = 6,261,155.55
  5. Step 5: Solve for x
    x = 6,261,155.55/3,719.34
  6. Step 6: Final answer
    x = 1,683.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.