Home / 1,963.30-2,928.41-1,827.22

Finding the Fourth Proportional to 1,963.30, 2,928.41 and 1,827.22

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Solution

The fourth proportional to 1,963.30, 2,928.41 and 1,827.22 is: 2,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.30 : 2,928.41 = 1,827.22 : x
  2. Step 2: Convert to fraction form
    1,963.30/2,928.41 = 1,827.22/x
  3. Step 3: Cross multiply
    1,963.30x = 2,928.41 × 1,827.22
  4. Step 4: Simplify right side
    1,963.30x = 5,350,849.32
  5. Step 5: Solve for x
    x = 5,350,849.32/1,963.30
  6. Step 6: Final answer
    x = 2,725.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.