Home / 3,812.16-5,261.29-2,134.22

Finding the Fourth Proportional to 3,812.16, 5,261.29 and 2,134.22

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Solution

The fourth proportional to 3,812.16, 5,261.29 and 2,134.22 is: 2,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.16 : 5,261.29 = 2,134.22 : x
  2. Step 2: Convert to fraction form
    3,812.16/5,261.29 = 2,134.22/x
  3. Step 3: Cross multiply
    3,812.16x = 5,261.29 × 2,134.22
  4. Step 4: Simplify right side
    3,812.16x = 11,228,718.70
  5. Step 5: Solve for x
    x = 11,228,718.70/3,812.16
  6. Step 6: Final answer
    x = 2,945.50

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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.