Home / 3,071.11-4,238.28-1,727.14

Finding the Fourth Proportional to 3,071.11, 4,238.28 and 1,727.14

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Solution

The fourth proportional to 3,071.11, 4,238.28 and 1,727.14 is: 2,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.11 : 4,238.28 = 1,727.14 : x
  2. Step 2: Convert to fraction form
    3,071.11/4,238.28 = 1,727.14/x
  3. Step 3: Cross multiply
    3,071.11x = 4,238.28 × 1,727.14
  4. Step 4: Simplify right side
    3,071.11x = 7,320,085.85
  5. Step 5: Solve for x
    x = 7,320,085.85/3,071.11
  6. Step 6: Final answer
    x = 2,383.53

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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.