Home / 2,857.33-4,287.48-1,539.73

Finding the Fourth Proportional to 2,857.33, 4,287.48 and 1,539.73

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Solution

The fourth proportional to 2,857.33, 4,287.48 and 1,539.73 is: 2,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.33 : 4,287.48 = 1,539.73 : x
  2. Step 2: Convert to fraction form
    2,857.33/4,287.48 = 1,539.73/x
  3. Step 3: Cross multiply
    2,857.33x = 4,287.48 × 1,539.73
  4. Step 4: Simplify right side
    2,857.33x = 6,601,561.58
  5. Step 5: Solve for x
    x = 6,601,561.58/2,857.33
  6. Step 6: Final answer
    x = 2,310.40

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1.5x scale

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.