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Finding the Fourth Proportional to 3,699, 5,549.88 and 1,508.28

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Solution

The fourth proportional to 3,699, 5,549.88 and 1,508.28 is: 2,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699 : 5,549.88 = 1,508.28 : x
  2. Step 2: Convert to fraction form
    3,699/5,549.88 = 1,508.28/x
  3. Step 3: Cross multiply
    3,699x = 5,549.88 × 1,508.28
  4. Step 4: Simplify right side
    3,699x = 8,370,773.01
  5. Step 5: Solve for x
    x = 8,370,773.01/3,699
  6. Step 6: Final answer
    x = 2,262.98

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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.