Home / 2,879.45-4,313.10-2,259.80

Finding the Fourth Proportional to 2,879.45, 4,313.10 and 2,259.80

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Solution

The fourth proportional to 2,879.45, 4,313.10 and 2,259.80 is: 3,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.45 : 4,313.10 = 2,259.80 : x
  2. Step 2: Convert to fraction form
    2,879.45/4,313.10 = 2,259.80/x
  3. Step 3: Cross multiply
    2,879.45x = 4,313.10 × 2,259.80
  4. Step 4: Simplify right side
    2,879.45x = 9,746,743.38
  5. Step 5: Solve for x
    x = 9,746,743.38/2,879.45
  6. Step 6: Final answer
    x = 3,384.93

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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.