Home / 1,296.42-1,944.66-1,007.28

Finding the Fourth Proportional to 1,296.42, 1,944.66 and 1,007.28

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Solution

The fourth proportional to 1,296.42, 1,944.66 and 1,007.28 is: 1,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.42 : 1,944.66 = 1,007.28 : x
  2. Step 2: Convert to fraction form
    1,296.42/1,944.66 = 1,007.28/x
  3. Step 3: Cross multiply
    1,296.42x = 1,944.66 × 1,007.28
  4. Step 4: Simplify right side
    1,296.42x = 1,958,817.12
  5. Step 5: Solve for x
    x = 1,958,817.12/1,296.42
  6. Step 6: Final answer
    x = 1,510.94

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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.