Home / 3,289.62-4,537.08-2,110.80

Finding the Fourth Proportional to 3,289.62, 4,537.08 and 2,110.80

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Solution

The fourth proportional to 3,289.62, 4,537.08 and 2,110.80 is: 2,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.62 : 4,537.08 = 2,110.80 : x
  2. Step 2: Convert to fraction form
    3,289.62/4,537.08 = 2,110.80/x
  3. Step 3: Cross multiply
    3,289.62x = 4,537.08 × 2,110.80
  4. Step 4: Simplify right side
    3,289.62x = 9,576,868.46
  5. Step 5: Solve for x
    x = 9,576,868.46/3,289.62
  6. Step 6: Final answer
    x = 2,911.24

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1.5x scale

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.