Home / 2,571.23-3,857.12-1,110.06

Finding the Fourth Proportional to 2,571.23, 3,857.12 and 1,110.06

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Solution

The fourth proportional to 2,571.23, 3,857.12 and 1,110.06 is: 1,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.23 : 3,857.12 = 1,110.06 : x
  2. Step 2: Convert to fraction form
    2,571.23/3,857.12 = 1,110.06/x
  3. Step 3: Cross multiply
    2,571.23x = 3,857.12 × 1,110.06
  4. Step 4: Simplify right side
    2,571.23x = 4,281,629.08
  5. Step 5: Solve for x
    x = 4,281,629.08/2,571.23
  6. Step 6: Final answer
    x = 1,665.21

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1.5x scale

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.