Home / 2,890.37-4,327.04-1,791.20

Finding the Fourth Proportional to 2,890.37, 4,327.04 and 1,791.20

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Solution

The fourth proportional to 2,890.37, 4,327.04 and 1,791.20 is: 2,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.37 : 4,327.04 = 1,791.20 : x
  2. Step 2: Convert to fraction form
    2,890.37/4,327.04 = 1,791.20/x
  3. Step 3: Cross multiply
    2,890.37x = 4,327.04 × 1,791.20
  4. Step 4: Simplify right side
    2,890.37x = 7,750,594.05
  5. Step 5: Solve for x
    x = 7,750,594.05/2,890.37
  6. Step 6: Final answer
    x = 2,681.52

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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.