Home / 1,566.53-2,161.45-936.95

Finding the Fourth Proportional to 1,566.53, 2,161.45 and 936.95

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Solution

The fourth proportional to 1,566.53, 2,161.45 and 936.95 is: 1,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.53 : 2,161.45 = 936.95 : x
  2. Step 2: Convert to fraction form
    1,566.53/2,161.45 = 936.95/x
  3. Step 3: Cross multiply
    1,566.53x = 2,161.45 × 936.95
  4. Step 4: Simplify right side
    1,566.53x = 2,025,170.58
  5. Step 5: Solve for x
    x = 2,025,170.58/1,566.53
  6. Step 6: Final answer
    x = 1,292.77

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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.