Home / 3,639.08-5,464.08-2,080.84

Finding the Fourth Proportional to 3,639.08, 5,464.08 and 2,080.84

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Solution

The fourth proportional to 3,639.08, 5,464.08 and 2,080.84 is: 3,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.08 : 5,464.08 = 2,080.84 : x
  2. Step 2: Convert to fraction form
    3,639.08/5,464.08 = 2,080.84/x
  3. Step 3: Cross multiply
    3,639.08x = 5,464.08 × 2,080.84
  4. Step 4: Simplify right side
    3,639.08x = 11,369,878.66
  5. Step 5: Solve for x
    x = 11,369,878.66/3,639.08
  6. Step 6: Final answer
    x = 3,124.39

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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.