Home / 3,716.18-5,131.79-2,392.18

Finding the Fourth Proportional to 3,716.18, 5,131.79 and 2,392.18

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Solution

The fourth proportional to 3,716.18, 5,131.79 and 2,392.18 is: 3,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.18 : 5,131.79 = 2,392.18 : x
  2. Step 2: Convert to fraction form
    3,716.18/5,131.79 = 2,392.18/x
  3. Step 3: Cross multiply
    3,716.18x = 5,131.79 × 2,392.18
  4. Step 4: Simplify right side
    3,716.18x = 12,276,149.58
  5. Step 5: Solve for x
    x = 12,276,149.58/3,716.18
  6. Step 6: Final answer
    x = 3,303.43

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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.