Home / 1,265.60-1,896.24-1,007.22

Finding the Fourth Proportional to 1,265.60, 1,896.24 and 1,007.22

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Solution

The fourth proportional to 1,265.60, 1,896.24 and 1,007.22 is: 1,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.60 : 1,896.24 = 1,007.22 : x
  2. Step 2: Convert to fraction form
    1,265.60/1,896.24 = 1,007.22/x
  3. Step 3: Cross multiply
    1,265.60x = 1,896.24 × 1,007.22
  4. Step 4: Simplify right side
    1,265.60x = 1,909,930.85
  5. Step 5: Solve for x
    x = 1,909,930.85/1,265.60
  6. Step 6: Final answer
    x = 1,509.11

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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.