Home / 3,456.92-5,185.98-1,607.68

Finding the Fourth Proportional to 3,456.92, 5,185.98 and 1,607.68

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Solution

The fourth proportional to 3,456.92, 5,185.98 and 1,607.68 is: 2,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.92 : 5,185.98 = 1,607.68 : x
  2. Step 2: Convert to fraction form
    3,456.92/5,185.98 = 1,607.68/x
  3. Step 3: Cross multiply
    3,456.92x = 5,185.98 × 1,607.68
  4. Step 4: Simplify right side
    3,456.92x = 8,337,396.33
  5. Step 5: Solve for x
    x = 8,337,396.33/3,456.92
  6. Step 6: Final answer
    x = 2,411.80

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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.