Home / 3,137.25-4,724.20-2,321.26

Finding the Fourth Proportional to 3,137.25, 4,724.20 and 2,321.26

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Solution

The fourth proportional to 3,137.25, 4,724.20 and 2,321.26 is: 3,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.25 : 4,724.20 = 2,321.26 : x
  2. Step 2: Convert to fraction form
    3,137.25/4,724.20 = 2,321.26/x
  3. Step 3: Cross multiply
    3,137.25x = 4,724.20 × 2,321.26
  4. Step 4: Simplify right side
    3,137.25x = 10,966,096.49
  5. Step 5: Solve for x
    x = 10,966,096.49/3,137.25
  6. Step 6: Final answer
    x = 3,495.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.