Home / 1,566.43-2,161.61-936.58

Finding the Fourth Proportional to 1,566.43, 2,161.61 and 936.58

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Solution

The fourth proportional to 1,566.43, 2,161.61 and 936.58 is: 1,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.43 : 2,161.61 = 936.58 : x
  2. Step 2: Convert to fraction form
    1,566.43/2,161.61 = 936.58/x
  3. Step 3: Cross multiply
    1,566.43x = 2,161.61 × 936.58
  4. Step 4: Simplify right side
    1,566.43x = 2,024,519.44
  5. Step 5: Solve for x
    x = 2,024,519.44/1,566.43
  6. Step 6: Final answer
    x = 1,292.44

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1.5x scale

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.