Home / 3,310.51-4,989.02-2,981.86

Finding the Fourth Proportional to 3,310.51, 4,989.02 and 2,981.86

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Solution

The fourth proportional to 3,310.51, 4,989.02 and 2,981.86 is: 4,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.51 : 4,989.02 = 2,981.86 : x
  2. Step 2: Convert to fraction form
    3,310.51/4,989.02 = 2,981.86/x
  3. Step 3: Cross multiply
    3,310.51x = 4,989.02 × 2,981.86
  4. Step 4: Simplify right side
    3,310.51x = 14,876,559.18
  5. Step 5: Solve for x
    x = 14,876,559.18/3,310.51
  6. Step 6: Final answer
    x = 4,493.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.