Home / 4,186.84-6,281.63-1,722.82

Finding the Fourth Proportional to 4,186.84, 6,281.63 and 1,722.82

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Solution

The fourth proportional to 4,186.84, 6,281.63 and 1,722.82 is: 2,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.84 : 6,281.63 = 1,722.82 : x
  2. Step 2: Convert to fraction form
    4,186.84/6,281.63 = 1,722.82/x
  3. Step 3: Cross multiply
    4,186.84x = 6,281.63 × 1,722.82
  4. Step 4: Simplify right side
    4,186.84x = 10,822,117.80
  5. Step 5: Solve for x
    x = 10,822,117.80/4,186.84
  6. Step 6: Final answer
    x = 2,584.79

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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.