Home / 2,611.13-3,603.14-1,491.85

Finding the Fourth Proportional to 2,611.13, 3,603.14 and 1,491.85

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Solution

The fourth proportional to 2,611.13, 3,603.14 and 1,491.85 is: 2,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.13 : 3,603.14 = 1,491.85 : x
  2. Step 2: Convert to fraction form
    2,611.13/3,603.14 = 1,491.85/x
  3. Step 3: Cross multiply
    2,611.13x = 3,603.14 × 1,491.85
  4. Step 4: Simplify right side
    2,611.13x = 5,375,327.94
  5. Step 5: Solve for x
    x = 5,375,327.94/2,611.13
  6. Step 6: Final answer
    x = 2,058.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.