Home / 1,566.94-2,162.28-868.32

Finding the Fourth Proportional to 1,566.94, 2,162.28 and 868.32

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Solution

The fourth proportional to 1,566.94, 2,162.28 and 868.32 is: 1,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.94 : 2,162.28 = 868.32 : x
  2. Step 2: Convert to fraction form
    1,566.94/2,162.28 = 868.32/x
  3. Step 3: Cross multiply
    1,566.94x = 2,162.28 × 868.32
  4. Step 4: Simplify right side
    1,566.94x = 1,877,550.97
  5. Step 5: Solve for x
    x = 1,877,550.97/1,566.94
  6. Step 6: Final answer
    x = 1,198.23

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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.