Home / 3,280.10-4,525.20-2,003.32

Finding the Fourth Proportional to 3,280.10, 4,525.20 and 2,003.32

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Solution

The fourth proportional to 3,280.10, 4,525.20 and 2,003.32 is: 2,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.10 : 4,525.20 = 2,003.32 : x
  2. Step 2: Convert to fraction form
    3,280.10/4,525.20 = 2,003.32/x
  3. Step 3: Cross multiply
    3,280.10x = 4,525.20 × 2,003.32
  4. Step 4: Simplify right side
    3,280.10x = 9,065,423.66
  5. Step 5: Solve for x
    x = 9,065,423.66/3,280.10
  6. Step 6: Final answer
    x = 2,763.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.