Home / 2,213.32-3,322.14-1,807.42

Finding the Fourth Proportional to 2,213.32, 3,322.14 and 1,807.42

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Solution

The fourth proportional to 2,213.32, 3,322.14 and 1,807.42 is: 2,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.32 : 3,322.14 = 1,807.42 : x
  2. Step 2: Convert to fraction form
    2,213.32/3,322.14 = 1,807.42/x
  3. Step 3: Cross multiply
    2,213.32x = 3,322.14 × 1,807.42
  4. Step 4: Simplify right side
    2,213.32x = 6,004,502.28
  5. Step 5: Solve for x
    x = 6,004,502.28/2,213.32
  6. Step 6: Final answer
    x = 2,712.89

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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.