Home / 3,719.48-5,132.44-2,206.80

Finding the Fourth Proportional to 3,719.48, 5,132.44 and 2,206.80

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Solution

The fourth proportional to 3,719.48, 5,132.44 and 2,206.80 is: 3,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.48 : 5,132.44 = 2,206.80 : x
  2. Step 2: Convert to fraction form
    3,719.48/5,132.44 = 2,206.80/x
  3. Step 3: Cross multiply
    3,719.48x = 5,132.44 × 2,206.80
  4. Step 4: Simplify right side
    3,719.48x = 11,326,268.59
  5. Step 5: Solve for x
    x = 11,326,268.59/3,719.48
  6. Step 6: Final answer
    x = 3,045.12

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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.