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Finding the Fourth Proportional to 1,794.79, 2,692.28 and 562.20

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Solution

The fourth proportional to 1,794.79, 2,692.28 and 562.20 is: 843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.79 : 2,692.28 = 562.20 : x
  2. Step 2: Convert to fraction form
    1,794.79/2,692.28 = 562.20/x
  3. Step 3: Cross multiply
    1,794.79x = 2,692.28 × 562.20
  4. Step 4: Simplify right side
    1,794.79x = 1,513,599.82
  5. Step 5: Solve for x
    x = 1,513,599.82/1,794.79
  6. Step 6: Final answer
    x = 843.33

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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.