Home / 2,218.23-3,326.20-1,800.64

Finding the Fourth Proportional to 2,218.23, 3,326.20 and 1,800.64

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Solution

The fourth proportional to 2,218.23, 3,326.20 and 1,800.64 is: 2,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.23 : 3,326.20 = 1,800.64 : x
  2. Step 2: Convert to fraction form
    2,218.23/3,326.20 = 1,800.64/x
  3. Step 3: Cross multiply
    2,218.23x = 3,326.20 × 1,800.64
  4. Step 4: Simplify right side
    2,218.23x = 5,989,288.42
  5. Step 5: Solve for x
    x = 5,989,288.42/2,218.23
  6. Step 6: Final answer
    x = 2,700.03

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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.