Home / 2,921.67-4,032.21-1,727.04

Finding the Fourth Proportional to 2,921.67, 4,032.21 and 1,727.04

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Solution

The fourth proportional to 2,921.67, 4,032.21 and 1,727.04 is: 2,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.67 : 4,032.21 = 1,727.04 : x
  2. Step 2: Convert to fraction form
    2,921.67/4,032.21 = 1,727.04/x
  3. Step 3: Cross multiply
    2,921.67x = 4,032.21 × 1,727.04
  4. Step 4: Simplify right side
    2,921.67x = 6,963,787.96
  5. Step 5: Solve for x
    x = 6,963,787.96/2,921.67
  6. Step 6: Final answer
    x = 2,383.50

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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.