Home / 2,719.78-3,752.43-1,601.12

Finding the Fourth Proportional to 2,719.78, 3,752.43 and 1,601.12

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Solution

The fourth proportional to 2,719.78, 3,752.43 and 1,601.12 is: 2,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.78 : 3,752.43 = 1,601.12 : x
  2. Step 2: Convert to fraction form
    2,719.78/3,752.43 = 1,601.12/x
  3. Step 3: Cross multiply
    2,719.78x = 3,752.43 × 1,601.12
  4. Step 4: Simplify right side
    2,719.78x = 6,008,072.99
  5. Step 5: Solve for x
    x = 6,008,072.99/2,719.78
  6. Step 6: Final answer
    x = 2,209.03

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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.