Home / 3,811.99-5,260.71-2,357.08

Finding the Fourth Proportional to 3,811.99, 5,260.71 and 2,357.08

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Solution

The fourth proportional to 3,811.99, 5,260.71 and 2,357.08 is: 3,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.99 : 5,260.71 = 2,357.08 : x
  2. Step 2: Convert to fraction form
    3,811.99/5,260.71 = 2,357.08/x
  3. Step 3: Cross multiply
    3,811.99x = 5,260.71 × 2,357.08
  4. Step 4: Simplify right side
    3,811.99x = 12,399,926.35
  5. Step 5: Solve for x
    x = 12,399,926.35/3,811.99
  6. Step 6: Final answer
    x = 3,252.88

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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.