Home / 1,847.43-2,550.29-1,218.33

Finding the Fourth Proportional to 1,847.43, 2,550.29 and 1,218.33

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Solution

The fourth proportional to 1,847.43, 2,550.29 and 1,218.33 is: 1,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.43 : 2,550.29 = 1,218.33 : x
  2. Step 2: Convert to fraction form
    1,847.43/2,550.29 = 1,218.33/x
  3. Step 3: Cross multiply
    1,847.43x = 2,550.29 × 1,218.33
  4. Step 4: Simplify right side
    1,847.43x = 3,107,088.72
  5. Step 5: Solve for x
    x = 3,107,088.72/1,847.43
  6. Step 6: Final answer
    x = 1,681.84

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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.