Home / 3,339.80-5,000.40-2,515.54

Finding the Fourth Proportional to 3,339.80, 5,000.40 and 2,515.54

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Solution

The fourth proportional to 3,339.80, 5,000.40 and 2,515.54 is: 3,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.80 : 5,000.40 = 2,515.54 : x
  2. Step 2: Convert to fraction form
    3,339.80/5,000.40 = 2,515.54/x
  3. Step 3: Cross multiply
    3,339.80x = 5,000.40 × 2,515.54
  4. Step 4: Simplify right side
    3,339.80x = 12,578,706.22
  5. Step 5: Solve for x
    x = 12,578,706.22/3,339.80
  6. Step 6: Final answer
    x = 3,766.31

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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.