Home / 2,803.29-3,867.73-1,809.15

Finding the Fourth Proportional to 2,803.29, 3,867.73 and 1,809.15

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Solution

The fourth proportional to 2,803.29, 3,867.73 and 1,809.15 is: 2,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.29 : 3,867.73 = 1,809.15 : x
  2. Step 2: Convert to fraction form
    2,803.29/3,867.73 = 1,809.15/x
  3. Step 3: Cross multiply
    2,803.29x = 3,867.73 × 1,809.15
  4. Step 4: Simplify right side
    2,803.29x = 6,997,299.21
  5. Step 5: Solve for x
    x = 6,997,299.21/2,803.29
  6. Step 6: Final answer
    x = 2,496.10

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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.