Home / 2,082.58-3,124.78-2,076.23

Finding the Fourth Proportional to 2,082.58, 3,124.78 and 2,076.23

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Solution

The fourth proportional to 2,082.58, 3,124.78 and 2,076.23 is: 3,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.58 : 3,124.78 = 2,076.23 : x
  2. Step 2: Convert to fraction form
    2,082.58/3,124.78 = 2,076.23/x
  3. Step 3: Cross multiply
    2,082.58x = 3,124.78 × 2,076.23
  4. Step 4: Simplify right side
    2,082.58x = 6,487,764.60
  5. Step 5: Solve for x
    x = 6,487,764.60/2,082.58
  6. Step 6: Final answer
    x = 3,115.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.