Home / 3,719.95-5,581.74-2,631.31

Finding the Fourth Proportional to 3,719.95, 5,581.74 and 2,631.31

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Solution

The fourth proportional to 3,719.95, 5,581.74 and 2,631.31 is: 3,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.95 : 5,581.74 = 2,631.31 : x
  2. Step 2: Convert to fraction form
    3,719.95/5,581.74 = 2,631.31/x
  3. Step 3: Cross multiply
    3,719.95x = 5,581.74 × 2,631.31
  4. Step 4: Simplify right side
    3,719.95x = 14,687,288.28
  5. Step 5: Solve for x
    x = 14,687,288.28/3,719.95
  6. Step 6: Final answer
    x = 3,948.25

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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.