Home / 3,486.08-5,228.96-1,177.60

Finding the Fourth Proportional to 3,486.08, 5,228.96 and 1,177.60

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Solution

The fourth proportional to 3,486.08, 5,228.96 and 1,177.60 is: 1,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.08 : 5,228.96 = 1,177.60 : x
  2. Step 2: Convert to fraction form
    3,486.08/5,228.96 = 1,177.60/x
  3. Step 3: Cross multiply
    3,486.08x = 5,228.96 × 1,177.60
  4. Step 4: Simplify right side
    3,486.08x = 6,157,623.30
  5. Step 5: Solve for x
    x = 6,157,623.30/3,486.08
  6. Step 6: Final answer
    x = 1,766.35

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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.