Home / 3,436.92-5,155.80-1,246.68

Finding the Fourth Proportional to 3,436.92, 5,155.80 and 1,246.68

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Solution

The fourth proportional to 3,436.92, 5,155.80 and 1,246.68 is: 1,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.92 : 5,155.80 = 1,246.68 : x
  2. Step 2: Convert to fraction form
    3,436.92/5,155.80 = 1,246.68/x
  3. Step 3: Cross multiply
    3,436.92x = 5,155.80 × 1,246.68
  4. Step 4: Simplify right side
    3,436.92x = 6,427,632.74
  5. Step 5: Solve for x
    x = 6,427,632.74/3,436.92
  6. Step 6: Final answer
    x = 1,870.17

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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.