Home / 3,655.55-5,483.38-1,190.38

Finding the Fourth Proportional to 3,655.55, 5,483.38 and 1,190.38

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Solution

The fourth proportional to 3,655.55, 5,483.38 and 1,190.38 is: 1,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.55 : 5,483.38 = 1,190.38 : x
  2. Step 2: Convert to fraction form
    3,655.55/5,483.38 = 1,190.38/x
  3. Step 3: Cross multiply
    3,655.55x = 5,483.38 × 1,190.38
  4. Step 4: Simplify right side
    3,655.55x = 6,527,305.88
  5. Step 5: Solve for x
    x = 6,527,305.88/3,655.55
  6. Step 6: Final answer
    x = 1,785.59

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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.