Home / 3,123.26-4,662.02-2,754.24

Finding the Fourth Proportional to 3,123.26, 4,662.02 and 2,754.24

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Solution

The fourth proportional to 3,123.26, 4,662.02 and 2,754.24 is: 4,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.26 : 4,662.02 = 2,754.24 : x
  2. Step 2: Convert to fraction form
    3,123.26/4,662.02 = 2,754.24/x
  3. Step 3: Cross multiply
    3,123.26x = 4,662.02 × 2,754.24
  4. Step 4: Simplify right side
    3,123.26x = 12,840,321.96
  5. Step 5: Solve for x
    x = 12,840,321.96/3,123.26
  6. Step 6: Final answer
    x = 4,111.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.