Home / 1,534.44-2,299.56-1,121.64

Finding the Fourth Proportional to 1,534.44, 2,299.56 and 1,121.64

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Solution

The fourth proportional to 1,534.44, 2,299.56 and 1,121.64 is: 1,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.44 : 2,299.56 = 1,121.64 : x
  2. Step 2: Convert to fraction form
    1,534.44/2,299.56 = 1,121.64/x
  3. Step 3: Cross multiply
    1,534.44x = 2,299.56 × 1,121.64
  4. Step 4: Simplify right side
    1,534.44x = 2,579,278.48
  5. Step 5: Solve for x
    x = 2,579,278.48/1,534.44
  6. Step 6: Final answer
    x = 1,680.92

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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.