Home / 2,402.12-3,603.24-758.63

Finding the Fourth Proportional to 2,402.12, 3,603.24 and 758.63

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Solution

The fourth proportional to 2,402.12, 3,603.24 and 758.63 is: 1,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.12 : 3,603.24 = 758.63 : x
  2. Step 2: Convert to fraction form
    2,402.12/3,603.24 = 758.63/x
  3. Step 3: Cross multiply
    2,402.12x = 3,603.24 × 758.63
  4. Step 4: Simplify right side
    2,402.12x = 2,733,507.95
  5. Step 5: Solve for x
    x = 2,733,507.95/2,402.12
  6. Step 6: Final answer
    x = 1,137.96

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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.