Home / 1,336.62-1,842.68-1,152.08

Finding the Fourth Proportional to 1,336.62, 1,842.68 and 1,152.08

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Solution

The fourth proportional to 1,336.62, 1,842.68 and 1,152.08 is: 1,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.62 : 1,842.68 = 1,152.08 : x
  2. Step 2: Convert to fraction form
    1,336.62/1,842.68 = 1,152.08/x
  3. Step 3: Cross multiply
    1,336.62x = 1,842.68 × 1,152.08
  4. Step 4: Simplify right side
    1,336.62x = 2,122,908.44
  5. Step 5: Solve for x
    x = 2,122,908.44/1,336.62
  6. Step 6: Final answer
    x = 1,588.27

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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.