Home / 3,811.52-5,260.10-2,132.83

Finding the Fourth Proportional to 3,811.52, 5,260.10 and 2,132.83

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Solution

The fourth proportional to 3,811.52, 5,260.10 and 2,132.83 is: 2,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.52 : 5,260.10 = 2,132.83 : x
  2. Step 2: Convert to fraction form
    3,811.52/5,260.10 = 2,132.83/x
  3. Step 3: Cross multiply
    3,811.52x = 5,260.10 × 2,132.83
  4. Step 4: Simplify right side
    3,811.52x = 11,218,899.08
  5. Step 5: Solve for x
    x = 11,218,899.08/3,811.52
  6. Step 6: Final answer
    x = 2,943.42

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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.