Home / 3,436.08-5,152.89-1,356

Finding the Fourth Proportional to 3,436.08, 5,152.89 and 1,356

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Solution

The fourth proportional to 3,436.08, 5,152.89 and 1,356 is: 2,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.08 : 5,152.89 = 1,356 : x
  2. Step 2: Convert to fraction form
    3,436.08/5,152.89 = 1,356/x
  3. Step 3: Cross multiply
    3,436.08x = 5,152.89 × 1,356
  4. Step 4: Simplify right side
    3,436.08x = 6,987,318.84
  5. Step 5: Solve for x
    x = 6,987,318.84/3,436.08
  6. Step 6: Final answer
    x = 2,033.51

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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.