Home / 3,236.94-4,856.37-1,387.14

Finding the Fourth Proportional to 3,236.94, 4,856.37 and 1,387.14

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Solution

The fourth proportional to 3,236.94, 4,856.37 and 1,387.14 is: 2,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.94 : 4,856.37 = 1,387.14 : x
  2. Step 2: Convert to fraction form
    3,236.94/4,856.37 = 1,387.14/x
  3. Step 3: Cross multiply
    3,236.94x = 4,856.37 × 1,387.14
  4. Step 4: Simplify right side
    3,236.94x = 6,736,465.08
  5. Step 5: Solve for x
    x = 6,736,465.08/3,236.94
  6. Step 6: Final answer
    x = 2,081.12

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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.