Home / 3,644.08-5,464.95-1,178.39

Finding the Fourth Proportional to 3,644.08, 5,464.95 and 1,178.39

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Solution

The fourth proportional to 3,644.08, 5,464.95 and 1,178.39 is: 1,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.08 : 5,464.95 = 1,178.39 : x
  2. Step 2: Convert to fraction form
    3,644.08/5,464.95 = 1,178.39/x
  3. Step 3: Cross multiply
    3,644.08x = 5,464.95 × 1,178.39
  4. Step 4: Simplify right side
    3,644.08x = 6,439,842.43
  5. Step 5: Solve for x
    x = 6,439,842.43/3,644.08
  6. Step 6: Final answer
    x = 1,767.21

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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.