Home / 3,611.45-5,409.81-3,024.78

Finding the Fourth Proportional to 3,611.45, 5,409.81 and 3,024.78

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Solution

The fourth proportional to 3,611.45, 5,409.81 and 3,024.78 is: 4,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.45 : 5,409.81 = 3,024.78 : x
  2. Step 2: Convert to fraction form
    3,611.45/5,409.81 = 3,024.78/x
  3. Step 3: Cross multiply
    3,611.45x = 5,409.81 × 3,024.78
  4. Step 4: Simplify right side
    3,611.45x = 16,363,476.99
  5. Step 5: Solve for x
    x = 16,363,476.99/3,611.45
  6. Step 6: Final answer
    x = 4,530.99

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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.