Home / 3,339.80-4,609.18-2,013.48

Finding the Fourth Proportional to 3,339.80, 4,609.18 and 2,013.48

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Solution

The fourth proportional to 3,339.80, 4,609.18 and 2,013.48 is: 2,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.80 : 4,609.18 = 2,013.48 : x
  2. Step 2: Convert to fraction form
    3,339.80/4,609.18 = 2,013.48/x
  3. Step 3: Cross multiply
    3,339.80x = 4,609.18 × 2,013.48
  4. Step 4: Simplify right side
    3,339.80x = 9,280,491.75
  5. Step 5: Solve for x
    x = 9,280,491.75/3,339.80
  6. Step 6: Final answer
    x = 2,778.76

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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.