Home / 3,612.05-5,415.43-2,439.15

Finding the Fourth Proportional to 3,612.05, 5,415.43 and 2,439.15

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Solution

The fourth proportional to 3,612.05, 5,415.43 and 2,439.15 is: 3,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.05 : 5,415.43 = 2,439.15 : x
  2. Step 2: Convert to fraction form
    3,612.05/5,415.43 = 2,439.15/x
  3. Step 3: Cross multiply
    3,612.05x = 5,415.43 × 2,439.15
  4. Step 4: Simplify right side
    3,612.05x = 13,209,046.08
  5. Step 5: Solve for x
    x = 13,209,046.08/3,612.05
  6. Step 6: Final answer
    x = 3,656.94

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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.