Home / 3,160.11-4,360.90-1,724.47

Finding the Fourth Proportional to 3,160.11, 4,360.90 and 1,724.47

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Solution

The fourth proportional to 3,160.11, 4,360.90 and 1,724.47 is: 2,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.11 : 4,360.90 = 1,724.47 : x
  2. Step 2: Convert to fraction form
    3,160.11/4,360.90 = 1,724.47/x
  3. Step 3: Cross multiply
    3,160.11x = 4,360.90 × 1,724.47
  4. Step 4: Simplify right side
    3,160.11x = 7,520,241.22
  5. Step 5: Solve for x
    x = 7,520,241.22/3,160.11
  6. Step 6: Final answer
    x = 2,379.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.