Home / 2,388.27-3,297.33-1,947.22

Finding the Fourth Proportional to 2,388.27, 3,297.33 and 1,947.22

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Solution

The fourth proportional to 2,388.27, 3,297.33 and 1,947.22 is: 2,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.27 : 3,297.33 = 1,947.22 : x
  2. Step 2: Convert to fraction form
    2,388.27/3,297.33 = 1,947.22/x
  3. Step 3: Cross multiply
    2,388.27x = 3,297.33 × 1,947.22
  4. Step 4: Simplify right side
    2,388.27x = 6,420,626.92
  5. Step 5: Solve for x
    x = 6,420,626.92/2,388.27
  6. Step 6: Final answer
    x = 2,688.40

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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.