Home / 3,184.14-4,775.95-2,150.78

Finding the Fourth Proportional to 3,184.14, 4,775.95 and 2,150.78

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Solution

The fourth proportional to 3,184.14, 4,775.95 and 2,150.78 is: 3,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.14 : 4,775.95 = 2,150.78 : x
  2. Step 2: Convert to fraction form
    3,184.14/4,775.95 = 2,150.78/x
  3. Step 3: Cross multiply
    3,184.14x = 4,775.95 × 2,150.78
  4. Step 4: Simplify right side
    3,184.14x = 10,272,000.15
  5. Step 5: Solve for x
    x = 10,272,000.15/3,184.14
  6. Step 6: Final answer
    x = 3,225.99

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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.