Home / 3,724.86-5,140.26-2,152.92

Finding the Fourth Proportional to 3,724.86, 5,140.26 and 2,152.92

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Solution

The fourth proportional to 3,724.86, 5,140.26 and 2,152.92 is: 2,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.86 : 5,140.26 = 2,152.92 : x
  2. Step 2: Convert to fraction form
    3,724.86/5,140.26 = 2,152.92/x
  3. Step 3: Cross multiply
    3,724.86x = 5,140.26 × 2,152.92
  4. Step 4: Simplify right side
    3,724.86x = 11,066,568.56
  5. Step 5: Solve for x
    x = 11,066,568.56/3,724.86
  6. Step 6: Final answer
    x = 2,971.00

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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.