Home / 2,405.68-3,603.30-1,170.49

Finding the Fourth Proportional to 2,405.68, 3,603.30 and 1,170.49

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Solution

The fourth proportional to 2,405.68, 3,603.30 and 1,170.49 is: 1,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.68 : 3,603.30 = 1,170.49 : x
  2. Step 2: Convert to fraction form
    2,405.68/3,603.30 = 1,170.49/x
  3. Step 3: Cross multiply
    2,405.68x = 3,603.30 × 1,170.49
  4. Step 4: Simplify right side
    2,405.68x = 4,217,626.62
  5. Step 5: Solve for x
    x = 4,217,626.62/2,405.68
  6. Step 6: Final answer
    x = 1,753.20

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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.