Home / 2,166.44-2,988.98-1,326.27

Finding the Fourth Proportional to 2,166.44, 2,988.98 and 1,326.27

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Solution

The fourth proportional to 2,166.44, 2,988.98 and 1,326.27 is: 1,829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.44 : 2,988.98 = 1,326.27 : x
  2. Step 2: Convert to fraction form
    2,166.44/2,988.98 = 1,326.27/x
  3. Step 3: Cross multiply
    2,166.44x = 2,988.98 × 1,326.27
  4. Step 4: Simplify right side
    2,166.44x = 3,964,197.82
  5. Step 5: Solve for x
    x = 3,964,197.82/2,166.44
  6. Step 6: Final answer
    x = 1,829.82

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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.