Home / 3,595.20-5,391.99-1,402.80

Finding the Fourth Proportional to 3,595.20, 5,391.99 and 1,402.80

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Solution

The fourth proportional to 3,595.20, 5,391.99 and 1,402.80 is: 2,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.20 : 5,391.99 = 1,402.80 : x
  2. Step 2: Convert to fraction form
    3,595.20/5,391.99 = 1,402.80/x
  3. Step 3: Cross multiply
    3,595.20x = 5,391.99 × 1,402.80
  4. Step 4: Simplify right side
    3,595.20x = 7,563,909.05
  5. Step 5: Solve for x
    x = 7,563,909.05/3,595.20
  6. Step 6: Final answer
    x = 2,103.89

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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.