Home / 3,643.65-5,464.26-1,177.92

Finding the Fourth Proportional to 3,643.65, 5,464.26 and 1,177.92

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Solution

The fourth proportional to 3,643.65, 5,464.26 and 1,177.92 is: 1,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.65 : 5,464.26 = 1,177.92 : x
  2. Step 2: Convert to fraction form
    3,643.65/5,464.26 = 1,177.92/x
  3. Step 3: Cross multiply
    3,643.65x = 5,464.26 × 1,177.92
  4. Step 4: Simplify right side
    3,643.65x = 6,436,461.14
  5. Step 5: Solve for x
    x = 6,436,461.14/3,643.65
  6. Step 6: Final answer
    x = 1,766.49

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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.