Home / 3,724.73-5,140.36-2,152.83

Finding the Fourth Proportional to 3,724.73, 5,140.36 and 2,152.83

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Solution

The fourth proportional to 3,724.73, 5,140.36 and 2,152.83 is: 2,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.73 : 5,140.36 = 2,152.83 : x
  2. Step 2: Convert to fraction form
    3,724.73/5,140.36 = 2,152.83/x
  3. Step 3: Cross multiply
    3,724.73x = 5,140.36 × 2,152.83
  4. Step 4: Simplify right side
    3,724.73x = 11,066,314.27
  5. Step 5: Solve for x
    x = 11,066,314.27/3,724.73
  6. Step 6: Final answer
    x = 2,971.03

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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.