Home / 4,185.42-6,280.17-1,720.98

Finding the Fourth Proportional to 4,185.42, 6,280.17 and 1,720.98

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Solution

The fourth proportional to 4,185.42, 6,280.17 and 1,720.98 is: 2,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.42 : 6,280.17 = 1,720.98 : x
  2. Step 2: Convert to fraction form
    4,185.42/6,280.17 = 1,720.98/x
  3. Step 3: Cross multiply
    4,185.42x = 6,280.17 × 1,720.98
  4. Step 4: Simplify right side
    4,185.42x = 10,808,046.97
  5. Step 5: Solve for x
    x = 10,808,046.97/4,185.42
  6. Step 6: Final answer
    x = 2,582.31

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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.