Home / 1,522.28-2,099.94-1,057.64

Finding the Fourth Proportional to 1,522.28, 2,099.94 and 1,057.64

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Solution

The fourth proportional to 1,522.28, 2,099.94 and 1,057.64 is: 1,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.28 : 2,099.94 = 1,057.64 : x
  2. Step 2: Convert to fraction form
    1,522.28/2,099.94 = 1,057.64/x
  3. Step 3: Cross multiply
    1,522.28x = 2,099.94 × 1,057.64
  4. Step 4: Simplify right side
    1,522.28x = 2,220,980.54
  5. Step 5: Solve for x
    x = 2,220,980.54/1,522.28
  6. Step 6: Final answer
    x = 1,458.98

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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.