Home / 3,821.51-5,276.26-2,388.05

Finding the Fourth Proportional to 3,821.51, 5,276.26 and 2,388.05

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Solution

The fourth proportional to 3,821.51, 5,276.26 and 2,388.05 is: 3,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.51 : 5,276.26 = 2,388.05 : x
  2. Step 2: Convert to fraction form
    3,821.51/5,276.26 = 2,388.05/x
  3. Step 3: Cross multiply
    3,821.51x = 5,276.26 × 2,388.05
  4. Step 4: Simplify right side
    3,821.51x = 12,599,947.56
  5. Step 5: Solve for x
    x = 12,599,947.56/3,821.51
  6. Step 6: Final answer
    x = 3,297.11

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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.