Home / 3,479.32-5,209.80-2,440.60

Finding the Fourth Proportional to 3,479.32, 5,209.80 and 2,440.60

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Solution

The fourth proportional to 3,479.32, 5,209.80 and 2,440.60 is: 3,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.32 : 5,209.80 = 2,440.60 : x
  2. Step 2: Convert to fraction form
    3,479.32/5,209.80 = 2,440.60/x
  3. Step 3: Cross multiply
    3,479.32x = 5,209.80 × 2,440.60
  4. Step 4: Simplify right side
    3,479.32x = 12,715,037.88
  5. Step 5: Solve for x
    x = 12,715,037.88/3,479.32
  6. Step 6: Final answer
    x = 3,654.46

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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.