Home / 2,493.79-3,442.90-2,217.03

Finding the Fourth Proportional to 2,493.79, 3,442.90 and 2,217.03

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Solution

The fourth proportional to 2,493.79, 3,442.90 and 2,217.03 is: 3,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.79 : 3,442.90 = 2,217.03 : x
  2. Step 2: Convert to fraction form
    2,493.79/3,442.90 = 2,217.03/x
  3. Step 3: Cross multiply
    2,493.79x = 3,442.90 × 2,217.03
  4. Step 4: Simplify right side
    2,493.79x = 7,633,012.59
  5. Step 5: Solve for x
    x = 7,633,012.59/2,493.79
  6. Step 6: Final answer
    x = 3,060.81

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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.