Home / 3,310.77-4,570.31-2,117.33

Finding the Fourth Proportional to 3,310.77, 4,570.31 and 2,117.33

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Solution

The fourth proportional to 3,310.77, 4,570.31 and 2,117.33 is: 2,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.77 : 4,570.31 = 2,117.33 : x
  2. Step 2: Convert to fraction form
    3,310.77/4,570.31 = 2,117.33/x
  3. Step 3: Cross multiply
    3,310.77x = 4,570.31 × 2,117.33
  4. Step 4: Simplify right side
    3,310.77x = 9,676,836.91
  5. Step 5: Solve for x
    x = 9,676,836.91/3,310.77
  6. Step 6: Final answer
    x = 2,922.84

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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.