Home / 3,719.48-5,580.14-1,122.41

Finding the Fourth Proportional to 3,719.48, 5,580.14 and 1,122.41

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Solution

The fourth proportional to 3,719.48, 5,580.14 and 1,122.41 is: 1,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.48 : 5,580.14 = 1,122.41 : x
  2. Step 2: Convert to fraction form
    3,719.48/5,580.14 = 1,122.41/x
  3. Step 3: Cross multiply
    3,719.48x = 5,580.14 × 1,122.41
  4. Step 4: Simplify right side
    3,719.48x = 6,263,199.33
  5. Step 5: Solve for x
    x = 6,263,199.33/3,719.48
  6. Step 6: Final answer
    x = 1,683.89

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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.