Home / 3,216.10-4,820.55-1,366.90

Finding the Fourth Proportional to 3,216.10, 4,820.55 and 1,366.90

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Solution

The fourth proportional to 3,216.10, 4,820.55 and 1,366.90 is: 2,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.10 : 4,820.55 = 1,366.90 : x
  2. Step 2: Convert to fraction form
    3,216.10/4,820.55 = 1,366.90/x
  3. Step 3: Cross multiply
    3,216.10x = 4,820.55 × 1,366.90
  4. Step 4: Simplify right side
    3,216.10x = 6,589,209.80
  5. Step 5: Solve for x
    x = 6,589,209.80/3,216.10
  6. Step 6: Final answer
    x = 2,048.82

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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.