Home / 2,388.58-3,288.81-2,033.80

Finding the Fourth Proportional to 2,388.58, 3,288.81 and 2,033.80

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Solution

The fourth proportional to 2,388.58, 3,288.81 and 2,033.80 is: 2,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.58 : 3,288.81 = 2,033.80 : x
  2. Step 2: Convert to fraction form
    2,388.58/3,288.81 = 2,033.80/x
  3. Step 3: Cross multiply
    2,388.58x = 3,288.81 × 2,033.80
  4. Step 4: Simplify right side
    2,388.58x = 6,688,781.78
  5. Step 5: Solve for x
    x = 6,688,781.78/2,388.58
  6. Step 6: Final answer
    x = 2,800.32

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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.