Home / 3,488.82-5,228.37-2,390.46

Finding the Fourth Proportional to 3,488.82, 5,228.37 and 2,390.46

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Solution

The fourth proportional to 3,488.82, 5,228.37 and 2,390.46 is: 3,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.82 : 5,228.37 = 2,390.46 : x
  2. Step 2: Convert to fraction form
    3,488.82/5,228.37 = 2,390.46/x
  3. Step 3: Cross multiply
    3,488.82x = 5,228.37 × 2,390.46
  4. Step 4: Simplify right side
    3,488.82x = 12,498,209.35
  5. Step 5: Solve for x
    x = 12,498,209.35/3,488.82
  6. Step 6: Final answer
    x = 3,582.36

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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.