Home / 3,464.20-4,785.78-3,118.60

Finding the Fourth Proportional to 3,464.20, 4,785.78 and 3,118.60

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Solution

The fourth proportional to 3,464.20, 4,785.78 and 3,118.60 is: 4,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.20 : 4,785.78 = 3,118.60 : x
  2. Step 2: Convert to fraction form
    3,464.20/4,785.78 = 3,118.60/x
  3. Step 3: Cross multiply
    3,464.20x = 4,785.78 × 3,118.60
  4. Step 4: Simplify right side
    3,464.20x = 14,924,933.51
  5. Step 5: Solve for x
    x = 14,924,933.51/3,464.20
  6. Step 6: Final answer
    x = 4,308.33

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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.