Home / 3,535.20-5,299.20-2,073.60

Finding the Fourth Proportional to 3,535.20, 5,299.20 and 2,073.60

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Solution

The fourth proportional to 3,535.20, 5,299.20 and 2,073.60 is: 3,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.20 : 5,299.20 = 2,073.60 : x
  2. Step 2: Convert to fraction form
    3,535.20/5,299.20 = 2,073.60/x
  3. Step 3: Cross multiply
    3,535.20x = 5,299.20 × 2,073.60
  4. Step 4: Simplify right side
    3,535.20x = 10,988,421.12
  5. Step 5: Solve for x
    x = 10,988,421.12/3,535.20
  6. Step 6: Final answer
    x = 3,108.29

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1.5x scale

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.