Home / 4,186.31-6,281.31-1,721.66

Finding the Fourth Proportional to 4,186.31, 6,281.31 and 1,721.66

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Solution

The fourth proportional to 4,186.31, 6,281.31 and 1,721.66 is: 2,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.31 : 6,281.31 = 1,721.66 : x
  2. Step 2: Convert to fraction form
    4,186.31/6,281.31 = 1,721.66/x
  3. Step 3: Cross multiply
    4,186.31x = 6,281.31 × 1,721.66
  4. Step 4: Simplify right side
    4,186.31x = 10,814,280.17
  5. Step 5: Solve for x
    x = 10,814,280.17/4,186.31
  6. Step 6: Final answer
    x = 2,583.25

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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.