Home / 2,786.66-3,844.23-2,344.40

Finding the Fourth Proportional to 2,786.66, 3,844.23 and 2,344.40

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Solution

The fourth proportional to 2,786.66, 3,844.23 and 2,344.40 is: 3,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.66 : 3,844.23 = 2,344.40 : x
  2. Step 2: Convert to fraction form
    2,786.66/3,844.23 = 2,344.40/x
  3. Step 3: Cross multiply
    2,786.66x = 3,844.23 × 2,344.40
  4. Step 4: Simplify right side
    2,786.66x = 9,012,412.81
  5. Step 5: Solve for x
    x = 9,012,412.81/2,786.66
  6. Step 6: Final answer
    x = 3,234.13

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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.