Home / 2,388.14-3,295.90-2,311.59

Finding the Fourth Proportional to 2,388.14, 3,295.90 and 2,311.59

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Solution

The fourth proportional to 2,388.14, 3,295.90 and 2,311.59 is: 3,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.14 : 3,295.90 = 2,311.59 : x
  2. Step 2: Convert to fraction form
    2,388.14/3,295.90 = 2,311.59/x
  3. Step 3: Cross multiply
    2,388.14x = 3,295.90 × 2,311.59
  4. Step 4: Simplify right side
    2,388.14x = 7,618,769.48
  5. Step 5: Solve for x
    x = 7,618,769.48/2,388.14
  6. Step 6: Final answer
    x = 3,190.25

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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.