Home / 2,235.20-3,354.49-1,530.72

Finding the Fourth Proportional to 2,235.20, 3,354.49 and 1,530.72

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Solution

The fourth proportional to 2,235.20, 3,354.49 and 1,530.72 is: 2,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.20 : 3,354.49 = 1,530.72 : x
  2. Step 2: Convert to fraction form
    2,235.20/3,354.49 = 1,530.72/x
  3. Step 3: Cross multiply
    2,235.20x = 3,354.49 × 1,530.72
  4. Step 4: Simplify right side
    2,235.20x = 5,134,791.98
  5. Step 5: Solve for x
    x = 5,134,791.98/2,235.20
  6. Step 6: Final answer
    x = 2,297.25

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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.