Home / 3,451.60-5,178.24-2,465.02

Finding the Fourth Proportional to 3,451.60, 5,178.24 and 2,465.02

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Solution

The fourth proportional to 3,451.60, 5,178.24 and 2,465.02 is: 3,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.60 : 5,178.24 = 2,465.02 : x
  2. Step 2: Convert to fraction form
    3,451.60/5,178.24 = 2,465.02/x
  3. Step 3: Cross multiply
    3,451.60x = 5,178.24 × 2,465.02
  4. Step 4: Simplify right side
    3,451.60x = 12,764,465.16
  5. Step 5: Solve for x
    x = 12,764,465.16/3,451.60
  6. Step 6: Final answer
    x = 3,698.13

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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.