Home / 2,213.74-3,318.45-1,885.42

Finding the Fourth Proportional to 2,213.74, 3,318.45 and 1,885.42

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Solution

The fourth proportional to 2,213.74, 3,318.45 and 1,885.42 is: 2,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.74 : 3,318.45 = 1,885.42 : x
  2. Step 2: Convert to fraction form
    2,213.74/3,318.45 = 1,885.42/x
  3. Step 3: Cross multiply
    2,213.74x = 3,318.45 × 1,885.42
  4. Step 4: Simplify right side
    2,213.74x = 6,256,672.00
  5. Step 5: Solve for x
    x = 6,256,672.00/2,213.74
  6. Step 6: Final answer
    x = 2,826.29

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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.