Home / 3,498.21-5,243.64-1,549.95

Finding the Fourth Proportional to 3,498.21, 5,243.64 and 1,549.95

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Solution

The fourth proportional to 3,498.21, 5,243.64 and 1,549.95 is: 2,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.21 : 5,243.64 = 1,549.95 : x
  2. Step 2: Convert to fraction form
    3,498.21/5,243.64 = 1,549.95/x
  3. Step 3: Cross multiply
    3,498.21x = 5,243.64 × 1,549.95
  4. Step 4: Simplify right side
    3,498.21x = 8,127,379.82
  5. Step 5: Solve for x
    x = 8,127,379.82/3,498.21
  6. Step 6: Final answer
    x = 2,323.30

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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.