Home / 2,847.31-4,271.15-1,203.64

Finding the Fourth Proportional to 2,847.31, 4,271.15 and 1,203.64

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Solution

The fourth proportional to 2,847.31, 4,271.15 and 1,203.64 is: 1,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.31 : 4,271.15 = 1,203.64 : x
  2. Step 2: Convert to fraction form
    2,847.31/4,271.15 = 1,203.64/x
  3. Step 3: Cross multiply
    2,847.31x = 4,271.15 × 1,203.64
  4. Step 4: Simplify right side
    2,847.31x = 5,140,926.99
  5. Step 5: Solve for x
    x = 5,140,926.99/2,847.31
  6. Step 6: Final answer
    x = 1,805.54

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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.