Home / 3,529.99-5,291.18-1,553.86

Finding the Fourth Proportional to 3,529.99, 5,291.18 and 1,553.86

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Solution

The fourth proportional to 3,529.99, 5,291.18 and 1,553.86 is: 2,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.99 : 5,291.18 = 1,553.86 : x
  2. Step 2: Convert to fraction form
    3,529.99/5,291.18 = 1,553.86/x
  3. Step 3: Cross multiply
    3,529.99x = 5,291.18 × 1,553.86
  4. Step 4: Simplify right side
    3,529.99x = 8,221,745.19
  5. Step 5: Solve for x
    x = 8,221,745.19/3,529.99
  6. Step 6: Final answer
    x = 2,329.11

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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.