Home / 2,252.58-3,372.21-1,275.72

Finding the Fourth Proportional to 2,252.58, 3,372.21 and 1,275.72

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Solution

The fourth proportional to 2,252.58, 3,372.21 and 1,275.72 is: 1,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.58 : 3,372.21 = 1,275.72 : x
  2. Step 2: Convert to fraction form
    2,252.58/3,372.21 = 1,275.72/x
  3. Step 3: Cross multiply
    2,252.58x = 3,372.21 × 1,275.72
  4. Step 4: Simplify right side
    2,252.58x = 4,301,995.74
  5. Step 5: Solve for x
    x = 4,301,995.74/2,252.58
  6. Step 6: Final answer
    x = 1,909.81

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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.