Home / 3,615.86-4,990.38-2,044.46

Finding the Fourth Proportional to 3,615.86, 4,990.38 and 2,044.46

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Solution

The fourth proportional to 3,615.86, 4,990.38 and 2,044.46 is: 2,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.86 : 4,990.38 = 2,044.46 : x
  2. Step 2: Convert to fraction form
    3,615.86/4,990.38 = 2,044.46/x
  3. Step 3: Cross multiply
    3,615.86x = 4,990.38 × 2,044.46
  4. Step 4: Simplify right side
    3,615.86x = 10,202,632.29
  5. Step 5: Solve for x
    x = 10,202,632.29/3,615.86
  6. Step 6: Final answer
    x = 2,821.63

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1.5x scale

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.