Home / 2,617.40-3,608.34-2,217.47

Finding the Fourth Proportional to 2,617.40, 3,608.34 and 2,217.47

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Solution

The fourth proportional to 2,617.40, 3,608.34 and 2,217.47 is: 3,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.40 : 3,608.34 = 2,217.47 : x
  2. Step 2: Convert to fraction form
    2,617.40/3,608.34 = 2,217.47/x
  3. Step 3: Cross multiply
    2,617.40x = 3,608.34 × 2,217.47
  4. Step 4: Simplify right side
    2,617.40x = 8,001,367.66
  5. Step 5: Solve for x
    x = 8,001,367.66/2,617.40
  6. Step 6: Final answer
    x = 3,057.00

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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.