Home / 2,571.56-3,857.79-1,110.77

Finding the Fourth Proportional to 2,571.56, 3,857.79 and 1,110.77

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Solution

The fourth proportional to 2,571.56, 3,857.79 and 1,110.77 is: 1,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.56 : 3,857.79 = 1,110.77 : x
  2. Step 2: Convert to fraction form
    2,571.56/3,857.79 = 1,110.77/x
  3. Step 3: Cross multiply
    2,571.56x = 3,857.79 × 1,110.77
  4. Step 4: Simplify right side
    2,571.56x = 4,285,117.40
  5. Step 5: Solve for x
    x = 4,285,117.40/2,571.56
  6. Step 6: Final answer
    x = 1,666.35

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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.