Home / 3,428.32-5,141.42-1,236.77

Finding the Fourth Proportional to 3,428.32, 5,141.42 and 1,236.77

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Solution

The fourth proportional to 3,428.32, 5,141.42 and 1,236.77 is: 1,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.32 : 5,141.42 = 1,236.77 : x
  2. Step 2: Convert to fraction form
    3,428.32/5,141.42 = 1,236.77/x
  3. Step 3: Cross multiply
    3,428.32x = 5,141.42 × 1,236.77
  4. Step 4: Simplify right side
    3,428.32x = 6,358,728.31
  5. Step 5: Solve for x
    x = 6,358,728.31/3,428.32
  6. Step 6: Final answer
    x = 1,854.77

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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.