Home / 1,336.69-2,001.39-1,011.07

Finding the Fourth Proportional to 1,336.69, 2,001.39 and 1,011.07

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Solution

The fourth proportional to 1,336.69, 2,001.39 and 1,011.07 is: 1,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.69 : 2,001.39 = 1,011.07 : x
  2. Step 2: Convert to fraction form
    1,336.69/2,001.39 = 1,011.07/x
  3. Step 3: Cross multiply
    1,336.69x = 2,001.39 × 1,011.07
  4. Step 4: Simplify right side
    1,336.69x = 2,023,545.39
  5. Step 5: Solve for x
    x = 2,023,545.39/1,336.69
  6. Step 6: Final answer
    x = 1,513.85

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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.