Home / 3,020.87-4,530.02-1,171.64

Finding the Fourth Proportional to 3,020.87, 4,530.02 and 1,171.64

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Solution

The fourth proportional to 3,020.87, 4,530.02 and 1,171.64 is: 1,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.87 : 4,530.02 = 1,171.64 : x
  2. Step 2: Convert to fraction form
    3,020.87/4,530.02 = 1,171.64/x
  3. Step 3: Cross multiply
    3,020.87x = 4,530.02 × 1,171.64
  4. Step 4: Simplify right side
    3,020.87x = 5,307,524.12
  5. Step 5: Solve for x
    x = 5,307,524.12/3,020.87
  6. Step 6: Final answer
    x = 1,756.96

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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.