Home / 2,890.80-4,336.38-943.02

Finding the Fourth Proportional to 2,890.80, 4,336.38 and 943.02

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Solution

The fourth proportional to 2,890.80, 4,336.38 and 943.02 is: 1,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.80 : 4,336.38 = 943.02 : x
  2. Step 2: Convert to fraction form
    2,890.80/4,336.38 = 943.02/x
  3. Step 3: Cross multiply
    2,890.80x = 4,336.38 × 943.02
  4. Step 4: Simplify right side
    2,890.80x = 4,089,293.07
  5. Step 5: Solve for x
    x = 4,089,293.07/2,890.80
  6. Step 6: Final answer
    x = 1,414.59

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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.