Home / 3,977.48-5,488.62-2,208.98

Finding the Fourth Proportional to 3,977.48, 5,488.62 and 2,208.98

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Solution

The fourth proportional to 3,977.48, 5,488.62 and 2,208.98 is: 3,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.48 : 5,488.62 = 2,208.98 : x
  2. Step 2: Convert to fraction form
    3,977.48/5,488.62 = 2,208.98/x
  3. Step 3: Cross multiply
    3,977.48x = 5,488.62 × 2,208.98
  4. Step 4: Simplify right side
    3,977.48x = 12,124,251.81
  5. Step 5: Solve for x
    x = 12,124,251.81/3,977.48
  6. Step 6: Final answer
    x = 3,048.22

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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.