Home / 3,464.80-4,779.75-2,137.66

Finding the Fourth Proportional to 3,464.80, 4,779.75 and 2,137.66

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Solution

The fourth proportional to 3,464.80, 4,779.75 and 2,137.66 is: 2,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.80 : 4,779.75 = 2,137.66 : x
  2. Step 2: Convert to fraction form
    3,464.80/4,779.75 = 2,137.66/x
  3. Step 3: Cross multiply
    3,464.80x = 4,779.75 × 2,137.66
  4. Step 4: Simplify right side
    3,464.80x = 10,217,480.39
  5. Step 5: Solve for x
    x = 10,217,480.39/3,464.80
  6. Step 6: Final answer
    x = 2,948.94

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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.