Home / 3,172.38-4,374.98-2,724.10

Finding the Fourth Proportional to 3,172.38, 4,374.98 and 2,724.10

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Solution

The fourth proportional to 3,172.38, 4,374.98 and 2,724.10 is: 3,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.38 : 4,374.98 = 2,724.10 : x
  2. Step 2: Convert to fraction form
    3,172.38/4,374.98 = 2,724.10/x
  3. Step 3: Cross multiply
    3,172.38x = 4,374.98 × 2,724.10
  4. Step 4: Simplify right side
    3,172.38x = 11,917,852.99
  5. Step 5: Solve for x
    x = 11,917,852.99/3,172.38
  6. Step 6: Final answer
    x = 3,756.75

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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.