Home / 1,299.24-1,951.74-1,011.24

Finding the Fourth Proportional to 1,299.24, 1,951.74 and 1,011.24

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Solution

The fourth proportional to 1,299.24, 1,951.74 and 1,011.24 is: 1,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.24 : 1,951.74 = 1,011.24 : x
  2. Step 2: Convert to fraction form
    1,299.24/1,951.74 = 1,011.24/x
  3. Step 3: Cross multiply
    1,299.24x = 1,951.74 × 1,011.24
  4. Step 4: Simplify right side
    1,299.24x = 1,973,677.56
  5. Step 5: Solve for x
    x = 1,973,677.56/1,299.24
  6. Step 6: Final answer
    x = 1,519.10

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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.