Home / 3,324.90-4,987.40-2,663.72

Finding the Fourth Proportional to 3,324.90, 4,987.40 and 2,663.72

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Solution

The fourth proportional to 3,324.90, 4,987.40 and 2,663.72 is: 3,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.90 : 4,987.40 = 2,663.72 : x
  2. Step 2: Convert to fraction form
    3,324.90/4,987.40 = 2,663.72/x
  3. Step 3: Cross multiply
    3,324.90x = 4,987.40 × 2,663.72
  4. Step 4: Simplify right side
    3,324.90x = 13,284,998.87
  5. Step 5: Solve for x
    x = 13,284,998.87/3,324.90
  6. Step 6: Final answer
    x = 3,995.61

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1.5x scale

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.