Home / 3,145.96-4,340.53-2,027.29

Finding the Fourth Proportional to 3,145.96, 4,340.53 and 2,027.29

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Solution

The fourth proportional to 3,145.96, 4,340.53 and 2,027.29 is: 2,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.96 : 4,340.53 = 2,027.29 : x
  2. Step 2: Convert to fraction form
    3,145.96/4,340.53 = 2,027.29/x
  3. Step 3: Cross multiply
    3,145.96x = 4,340.53 × 2,027.29
  4. Step 4: Simplify right side
    3,145.96x = 8,799,513.06
  5. Step 5: Solve for x
    x = 8,799,513.06/3,145.96
  6. Step 6: Final answer
    x = 2,797.08

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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.