Home / 1,847.83-2,550.43-1,218.47

Finding the Fourth Proportional to 1,847.83, 2,550.43 and 1,218.47

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Solution

The fourth proportional to 1,847.83, 2,550.43 and 1,218.47 is: 1,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.83 : 2,550.43 = 1,218.47 : x
  2. Step 2: Convert to fraction form
    1,847.83/2,550.43 = 1,218.47/x
  3. Step 3: Cross multiply
    1,847.83x = 2,550.43 × 1,218.47
  4. Step 4: Simplify right side
    1,847.83x = 3,107,622.44
  5. Step 5: Solve for x
    x = 3,107,622.44/1,847.83
  6. Step 6: Final answer
    x = 1,681.77

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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.