Home / 3,666.96-5,499.86-1,201.80

Finding the Fourth Proportional to 3,666.96, 5,499.86 and 1,201.80

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Solution

The fourth proportional to 3,666.96, 5,499.86 and 1,201.80 is: 1,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.96 : 5,499.86 = 1,201.80 : x
  2. Step 2: Convert to fraction form
    3,666.96/5,499.86 = 1,201.80/x
  3. Step 3: Cross multiply
    3,666.96x = 5,499.86 × 1,201.80
  4. Step 4: Simplify right side
    3,666.96x = 6,609,731.75
  5. Step 5: Solve for x
    x = 6,609,731.75/3,666.96
  6. Step 6: Final answer
    x = 1,802.51

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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.