Home / 3,675.61-5,513.62-1,177.02

Finding the Fourth Proportional to 3,675.61, 5,513.62 and 1,177.02

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Solution

The fourth proportional to 3,675.61, 5,513.62 and 1,177.02 is: 1,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.61 : 5,513.62 = 1,177.02 : x
  2. Step 2: Convert to fraction form
    3,675.61/5,513.62 = 1,177.02/x
  3. Step 3: Cross multiply
    3,675.61x = 5,513.62 × 1,177.02
  4. Step 4: Simplify right side
    3,675.61x = 6,489,615.08
  5. Step 5: Solve for x
    x = 6,489,615.08/3,675.61
  6. Step 6: Final answer
    x = 1,765.59

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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.