Home / 3,389.58-4,676.21-2,210.61

Finding the Fourth Proportional to 3,389.58, 4,676.21 and 2,210.61

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Solution

The fourth proportional to 3,389.58, 4,676.21 and 2,210.61 is: 3,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.58 : 4,676.21 = 2,210.61 : x
  2. Step 2: Convert to fraction form
    3,389.58/4,676.21 = 2,210.61/x
  3. Step 3: Cross multiply
    3,389.58x = 4,676.21 × 2,210.61
  4. Step 4: Simplify right side
    3,389.58x = 10,337,265.54
  5. Step 5: Solve for x
    x = 10,337,265.54/3,389.58
  6. Step 6: Final answer
    x = 3,049.72

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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.