Home / 3,069.38-4,231.50-2,073.08

Finding the Fourth Proportional to 3,069.38, 4,231.50 and 2,073.08

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Solution

The fourth proportional to 3,069.38, 4,231.50 and 2,073.08 is: 2,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.38 : 4,231.50 = 2,073.08 : x
  2. Step 2: Convert to fraction form
    3,069.38/4,231.50 = 2,073.08/x
  3. Step 3: Cross multiply
    3,069.38x = 4,231.50 × 2,073.08
  4. Step 4: Simplify right side
    3,069.38x = 8,772,238.02
  5. Step 5: Solve for x
    x = 8,772,238.02/3,069.38
  6. Step 6: Final answer
    x = 2,857.98

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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.