Home / 3,719.12-5,132.40-2,227.10

Finding the Fourth Proportional to 3,719.12, 5,132.40 and 2,227.10

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Solution

The fourth proportional to 3,719.12, 5,132.40 and 2,227.10 is: 3,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.12 : 5,132.40 = 2,227.10 : x
  2. Step 2: Convert to fraction form
    3,719.12/5,132.40 = 2,227.10/x
  3. Step 3: Cross multiply
    3,719.12x = 5,132.40 × 2,227.10
  4. Step 4: Simplify right side
    3,719.12x = 11,430,368.04
  5. Step 5: Solve for x
    x = 11,430,368.04/3,719.12
  6. Step 6: Final answer
    x = 3,073.41

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1.5x scale

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.