Home / 3,781.83-5,216.25-2,366.28

Finding the Fourth Proportional to 3,781.83, 5,216.25 and 2,366.28

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Solution

The fourth proportional to 3,781.83, 5,216.25 and 2,366.28 is: 3,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.83 : 5,216.25 = 2,366.28 : x
  2. Step 2: Convert to fraction form
    3,781.83/5,216.25 = 2,366.28/x
  3. Step 3: Cross multiply
    3,781.83x = 5,216.25 × 2,366.28
  4. Step 4: Simplify right side
    3,781.83x = 12,343,108.05
  5. Step 5: Solve for x
    x = 12,343,108.05/3,781.83
  6. Step 6: Final answer
    x = 3,263.79

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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.