Home / 3,719.88-5,581.68-1,746.16

Finding the Fourth Proportional to 3,719.88, 5,581.68 and 1,746.16

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Solution

The fourth proportional to 3,719.88, 5,581.68 and 1,746.16 is: 2,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.88 : 5,581.68 = 1,746.16 : x
  2. Step 2: Convert to fraction form
    3,719.88/5,581.68 = 1,746.16/x
  3. Step 3: Cross multiply
    3,719.88x = 5,581.68 × 1,746.16
  4. Step 4: Simplify right side
    3,719.88x = 9,746,506.35
  5. Step 5: Solve for x
    x = 9,746,506.35/3,719.88
  6. Step 6: Final answer
    x = 2,620.11

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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.