Home / 3,325.09-4,990.70-1,682.79

Finding the Fourth Proportional to 3,325.09, 4,990.70 and 1,682.79

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Solution

The fourth proportional to 3,325.09, 4,990.70 and 1,682.79 is: 2,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.09 : 4,990.70 = 1,682.79 : x
  2. Step 2: Convert to fraction form
    3,325.09/4,990.70 = 1,682.79/x
  3. Step 3: Cross multiply
    3,325.09x = 4,990.70 × 1,682.79
  4. Step 4: Simplify right side
    3,325.09x = 8,398,300.05
  5. Step 5: Solve for x
    x = 8,398,300.05/3,325.09
  6. Step 6: Final answer
    x = 2,525.74

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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.