Home / 3,020.52-4,531.95-1,171.80

Finding the Fourth Proportional to 3,020.52, 4,531.95 and 1,171.80

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Solution

The fourth proportional to 3,020.52, 4,531.95 and 1,171.80 is: 1,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.52 : 4,531.95 = 1,171.80 : x
  2. Step 2: Convert to fraction form
    3,020.52/4,531.95 = 1,171.80/x
  3. Step 3: Cross multiply
    3,020.52x = 4,531.95 × 1,171.80
  4. Step 4: Simplify right side
    3,020.52x = 5,310,539.01
  5. Step 5: Solve for x
    x = 5,310,539.01/3,020.52
  6. Step 6: Final answer
    x = 1,758.15

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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.