Home / 2,275.20-3,408-1,452.48

Finding the Fourth Proportional to 2,275.20, 3,408 and 1,452.48

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Solution

The fourth proportional to 2,275.20, 3,408 and 1,452.48 is: 2,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.20 : 3,408 = 1,452.48 : x
  2. Step 2: Convert to fraction form
    2,275.20/3,408 = 1,452.48/x
  3. Step 3: Cross multiply
    2,275.20x = 3,408 × 1,452.48
  4. Step 4: Simplify right side
    2,275.20x = 4,950,051.84
  5. Step 5: Solve for x
    x = 4,950,051.84/2,275.20
  6. Step 6: Final answer
    x = 2,175.66

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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.