Home / 3,320.10-4,606.58-3,291.84

Finding the Fourth Proportional to 3,320.10, 4,606.58 and 3,291.84

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Solution

The fourth proportional to 3,320.10, 4,606.58 and 3,291.84 is: 4,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.10 : 4,606.58 = 3,291.84 : x
  2. Step 2: Convert to fraction form
    3,320.10/4,606.58 = 3,291.84/x
  3. Step 3: Cross multiply
    3,320.10x = 4,606.58 × 3,291.84
  4. Step 4: Simplify right side
    3,320.10x = 15,164,107.85
  5. Step 5: Solve for x
    x = 15,164,107.85/3,320.10
  6. Step 6: Final answer
    x = 4,567.36

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.