Home / 3,643.40-5,465.72-1,177.92

Finding the Fourth Proportional to 3,643.40, 5,465.72 and 1,177.92

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Solution

The fourth proportional to 3,643.40, 5,465.72 and 1,177.92 is: 1,767.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.40 : 5,465.72 = 1,177.92 : x
  2. Step 2: Convert to fraction form
    3,643.40/5,465.72 = 1,177.92/x
  3. Step 3: Cross multiply
    3,643.40x = 5,465.72 × 1,177.92
  4. Step 4: Simplify right side
    3,643.40x = 6,438,180.90
  5. Step 5: Solve for x
    x = 6,438,180.90/3,643.40
  6. Step 6: Final answer
    x = 1,767.08

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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.