Home / 3,436.84-5,155.91-1,562.87

Finding the Fourth Proportional to 3,436.84, 5,155.91 and 1,562.87

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Solution

The fourth proportional to 3,436.84, 5,155.91 and 1,562.87 is: 2,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.84 : 5,155.91 = 1,562.87 : x
  2. Step 2: Convert to fraction form
    3,436.84/5,155.91 = 1,562.87/x
  3. Step 3: Cross multiply
    3,436.84x = 5,155.91 × 1,562.87
  4. Step 4: Simplify right side
    3,436.84x = 8,057,996.36
  5. Step 5: Solve for x
    x = 8,057,996.36/3,436.84
  6. Step 6: Final answer
    x = 2,344.59

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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.