Home / 3,679.02-5,520.51-2,858.94

Finding the Fourth Proportional to 3,679.02, 5,520.51 and 2,858.94

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Solution

The fourth proportional to 3,679.02, 5,520.51 and 2,858.94 is: 4,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.02 : 5,520.51 = 2,858.94 : x
  2. Step 2: Convert to fraction form
    3,679.02/5,520.51 = 2,858.94/x
  3. Step 3: Cross multiply
    3,679.02x = 5,520.51 × 2,858.94
  4. Step 4: Simplify right side
    3,679.02x = 15,782,806.86
  5. Step 5: Solve for x
    x = 15,782,806.86/3,679.02
  6. Step 6: Final answer
    x = 4,289.95

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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.