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Finding the Fourth Proportional to 1,867.98, 2,801.97 and 569.52

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Solution

The fourth proportional to 1,867.98, 2,801.97 and 569.52 is: 854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.98 : 2,801.97 = 569.52 : x
  2. Step 2: Convert to fraction form
    1,867.98/2,801.97 = 569.52/x
  3. Step 3: Cross multiply
    1,867.98x = 2,801.97 × 569.52
  4. Step 4: Simplify right side
    1,867.98x = 1,595,777.95
  5. Step 5: Solve for x
    x = 1,595,777.95/1,867.98
  6. Step 6: Final answer
    x = 854.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.