Home / 3,643.52-5,465.76-1,179.08

Finding the Fourth Proportional to 3,643.52, 5,465.76 and 1,179.08

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Solution

The fourth proportional to 3,643.52, 5,465.76 and 1,179.08 is: 1,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.52 : 5,465.76 = 1,179.08 : x
  2. Step 2: Convert to fraction form
    3,643.52/5,465.76 = 1,179.08/x
  3. Step 3: Cross multiply
    3,643.52x = 5,465.76 × 1,179.08
  4. Step 4: Simplify right side
    3,643.52x = 6,444,568.30
  5. Step 5: Solve for x
    x = 6,444,568.30/3,643.52
  6. Step 6: Final answer
    x = 1,768.78

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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.