Home / 3,340.29-4,609.67-2,013.72

Finding the Fourth Proportional to 3,340.29, 4,609.67 and 2,013.72

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Solution

The fourth proportional to 3,340.29, 4,609.67 and 2,013.72 is: 2,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.29 : 4,609.67 = 2,013.72 : x
  2. Step 2: Convert to fraction form
    3,340.29/4,609.67 = 2,013.72/x
  3. Step 3: Cross multiply
    3,340.29x = 4,609.67 × 2,013.72
  4. Step 4: Simplify right side
    3,340.29x = 9,282,584.67
  5. Step 5: Solve for x
    x = 9,282,584.67/3,340.29
  6. Step 6: Final answer
    x = 2,778.98

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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.