Home / 1,336.59-1,844.64-1,006.65

Finding the Fourth Proportional to 1,336.59, 1,844.64 and 1,006.65

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Solution

The fourth proportional to 1,336.59, 1,844.64 and 1,006.65 is: 1,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.59 : 1,844.64 = 1,006.65 : x
  2. Step 2: Convert to fraction form
    1,336.59/1,844.64 = 1,006.65/x
  3. Step 3: Cross multiply
    1,336.59x = 1,844.64 × 1,006.65
  4. Step 4: Simplify right side
    1,336.59x = 1,856,906.86
  5. Step 5: Solve for x
    x = 1,856,906.86/1,336.59
  6. Step 6: Final answer
    x = 1,389.29

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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.