Home / 2,537.23-3,805.85-688.35

Finding the Fourth Proportional to 2,537.23, 3,805.85 and 688.35

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Solution

The fourth proportional to 2,537.23, 3,805.85 and 688.35 is: 1,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.23 : 3,805.85 = 688.35 : x
  2. Step 2: Convert to fraction form
    2,537.23/3,805.85 = 688.35/x
  3. Step 3: Cross multiply
    2,537.23x = 3,805.85 × 688.35
  4. Step 4: Simplify right side
    2,537.23x = 2,619,756.85
  5. Step 5: Solve for x
    x = 2,619,756.85/2,537.23
  6. Step 6: Final answer
    x = 1,032.53

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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.