Home / 2,898.36-4,341.44-2,279.12

Finding the Fourth Proportional to 2,898.36, 4,341.44 and 2,279.12

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Solution

The fourth proportional to 2,898.36, 4,341.44 and 2,279.12 is: 3,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.36 : 4,341.44 = 2,279.12 : x
  2. Step 2: Convert to fraction form
    2,898.36/4,341.44 = 2,279.12/x
  3. Step 3: Cross multiply
    2,898.36x = 4,341.44 × 2,279.12
  4. Step 4: Simplify right side
    2,898.36x = 9,894,662.73
  5. Step 5: Solve for x
    x = 9,894,662.73/2,898.36
  6. Step 6: Final answer
    x = 3,413.88

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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.