Home / 1,854.39-2,559.09-1,108.43

Finding the Fourth Proportional to 1,854.39, 2,559.09 and 1,108.43

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Solution

The fourth proportional to 1,854.39, 2,559.09 and 1,108.43 is: 1,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.39 : 2,559.09 = 1,108.43 : x
  2. Step 2: Convert to fraction form
    1,854.39/2,559.09 = 1,108.43/x
  3. Step 3: Cross multiply
    1,854.39x = 2,559.09 × 1,108.43
  4. Step 4: Simplify right side
    1,854.39x = 2,836,587.48
  5. Step 5: Solve for x
    x = 2,836,587.48/1,854.39
  6. Step 6: Final answer
    x = 1,529.66

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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.