Home / 4,171.69-6,254.70-1,705.78

Finding the Fourth Proportional to 4,171.69, 6,254.70 and 1,705.78

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Solution

The fourth proportional to 4,171.69, 6,254.70 and 1,705.78 is: 2,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.69 : 6,254.70 = 1,705.78 : x
  2. Step 2: Convert to fraction form
    4,171.69/6,254.70 = 1,705.78/x
  3. Step 3: Cross multiply
    4,171.69x = 6,254.70 × 1,705.78
  4. Step 4: Simplify right side
    4,171.69x = 10,669,142.17
  5. Step 5: Solve for x
    x = 10,669,142.17/4,171.69
  6. Step 6: Final answer
    x = 2,557.51

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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.