Home / 2,617.41-3,910.29-1,685.37

Finding the Fourth Proportional to 2,617.41, 3,910.29 and 1,685.37

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Solution

The fourth proportional to 2,617.41, 3,910.29 and 1,685.37 is: 2,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.41 : 3,910.29 = 1,685.37 : x
  2. Step 2: Convert to fraction form
    2,617.41/3,910.29 = 1,685.37/x
  3. Step 3: Cross multiply
    2,617.41x = 3,910.29 × 1,685.37
  4. Step 4: Simplify right side
    2,617.41x = 6,590,285.46
  5. Step 5: Solve for x
    x = 6,590,285.46/2,617.41
  6. Step 6: Final answer
    x = 2,517.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.