Home / 1,769.39-2,654.21-536.90

Finding the Fourth Proportional to 1,769.39, 2,654.21 and 536.90

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Solution

The fourth proportional to 1,769.39, 2,654.21 and 536.90 is: 805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.39 : 2,654.21 = 536.90 : x
  2. Step 2: Convert to fraction form
    1,769.39/2,654.21 = 536.90/x
  3. Step 3: Cross multiply
    1,769.39x = 2,654.21 × 536.90
  4. Step 4: Simplify right side
    1,769.39x = 1,425,045.35
  5. Step 5: Solve for x
    x = 1,425,045.35/1,769.39
  6. Step 6: Final answer
    x = 805.39

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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.