Home / 3,325.07-4,990.68-1,682.77

Finding the Fourth Proportional to 3,325.07, 4,990.68 and 1,682.77

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Solution

The fourth proportional to 3,325.07, 4,990.68 and 1,682.77 is: 2,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.07 : 4,990.68 = 1,682.77 : x
  2. Step 2: Convert to fraction form
    3,325.07/4,990.68 = 1,682.77/x
  3. Step 3: Cross multiply
    3,325.07x = 4,990.68 × 1,682.77
  4. Step 4: Simplify right side
    3,325.07x = 8,398,166.58
  5. Step 5: Solve for x
    x = 8,398,166.58/3,325.07
  6. Step 6: Final answer
    x = 2,525.71

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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.