Home / 2,266.91-3,128.55-1,322.63

Finding the Fourth Proportional to 2,266.91, 3,128.55 and 1,322.63

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Solution

The fourth proportional to 2,266.91, 3,128.55 and 1,322.63 is: 1,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.91 : 3,128.55 = 1,322.63 : x
  2. Step 2: Convert to fraction form
    2,266.91/3,128.55 = 1,322.63/x
  3. Step 3: Cross multiply
    2,266.91x = 3,128.55 × 1,322.63
  4. Step 4: Simplify right side
    2,266.91x = 4,137,898.44
  5. Step 5: Solve for x
    x = 4,137,898.44/2,266.91
  6. Step 6: Final answer
    x = 1,825.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.