Home / 2,727.42-4,083.72-2,139.30

Finding the Fourth Proportional to 2,727.42, 4,083.72 and 2,139.30

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Solution

The fourth proportional to 2,727.42, 4,083.72 and 2,139.30 is: 3,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.42 : 4,083.72 = 2,139.30 : x
  2. Step 2: Convert to fraction form
    2,727.42/4,083.72 = 2,139.30/x
  3. Step 3: Cross multiply
    2,727.42x = 4,083.72 × 2,139.30
  4. Step 4: Simplify right side
    2,727.42x = 8,736,302.20
  5. Step 5: Solve for x
    x = 8,736,302.20/2,727.42
  6. Step 6: Final answer
    x = 3,203.14

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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.