Home / 3,649.82-5,474.16-1,309.46

Finding the Fourth Proportional to 3,649.82, 5,474.16 and 1,309.46

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Solution

The fourth proportional to 3,649.82, 5,474.16 and 1,309.46 is: 1,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.82 : 5,474.16 = 1,309.46 : x
  2. Step 2: Convert to fraction form
    3,649.82/5,474.16 = 1,309.46/x
  3. Step 3: Cross multiply
    3,649.82x = 5,474.16 × 1,309.46
  4. Step 4: Simplify right side
    3,649.82x = 7,168,166.18
  5. Step 5: Solve for x
    x = 7,168,166.18/3,649.82
  6. Step 6: Final answer
    x = 1,963.98

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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.