Home / 2,850.52-4,279.26-1,618.90

Finding the Fourth Proportional to 2,850.52, 4,279.26 and 1,618.90

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Solution

The fourth proportional to 2,850.52, 4,279.26 and 1,618.90 is: 2,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.52 : 4,279.26 = 1,618.90 : x
  2. Step 2: Convert to fraction form
    2,850.52/4,279.26 = 1,618.90/x
  3. Step 3: Cross multiply
    2,850.52x = 4,279.26 × 1,618.90
  4. Step 4: Simplify right side
    2,850.52x = 6,927,694.01
  5. Step 5: Solve for x
    x = 6,927,694.01/2,850.52
  6. Step 6: Final answer
    x = 2,430.33

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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.