Home / 3,812.16-5,727.84-2,426.12

Finding the Fourth Proportional to 3,812.16, 5,727.84 and 2,426.12

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Solution

The fourth proportional to 3,812.16, 5,727.84 and 2,426.12 is: 3,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.16 : 5,727.84 = 2,426.12 : x
  2. Step 2: Convert to fraction form
    3,812.16/5,727.84 = 2,426.12/x
  3. Step 3: Cross multiply
    3,812.16x = 5,727.84 × 2,426.12
  4. Step 4: Simplify right side
    3,812.16x = 13,896,427.18
  5. Step 5: Solve for x
    x = 13,896,427.18/3,812.16
  6. Step 6: Final answer
    x = 3,645.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.