Home / 3,520.24-5,281.20-1,055

Finding the Fourth Proportional to 3,520.24, 5,281.20 and 1,055

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Solution

The fourth proportional to 3,520.24, 5,281.20 and 1,055 is: 1,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.24 : 5,281.20 = 1,055 : x
  2. Step 2: Convert to fraction form
    3,520.24/5,281.20 = 1,055/x
  3. Step 3: Cross multiply
    3,520.24x = 5,281.20 × 1,055
  4. Step 4: Simplify right side
    3,520.24x = 5,571,666
  5. Step 5: Solve for x
    x = 5,571,666/3,520.24
  6. Step 6: Final answer
    x = 1,582.75

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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.