Home / 2,182.97-3,274.50-1,215.23

Finding the Fourth Proportional to 2,182.97, 3,274.50 and 1,215.23

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Solution

The fourth proportional to 2,182.97, 3,274.50 and 1,215.23 is: 1,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.97 : 3,274.50 = 1,215.23 : x
  2. Step 2: Convert to fraction form
    2,182.97/3,274.50 = 1,215.23/x
  3. Step 3: Cross multiply
    2,182.97x = 3,274.50 × 1,215.23
  4. Step 4: Simplify right side
    2,182.97x = 3,979,252.28
  5. Step 5: Solve for x
    x = 3,979,252.28/2,182.97
  6. Step 6: Final answer
    x = 1,822.86

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,183.97, 3,276 and 1,216.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.