Home / 3,378.23-5,045.17-2,879.33

Finding the Fourth Proportional to 3,378.23, 5,045.17 and 2,879.33

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Solution

The fourth proportional to 3,378.23, 5,045.17 and 2,879.33 is: 4,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.23 : 5,045.17 = 2,879.33 : x
  2. Step 2: Convert to fraction form
    3,378.23/5,045.17 = 2,879.33/x
  3. Step 3: Cross multiply
    3,378.23x = 5,045.17 × 2,879.33
  4. Step 4: Simplify right side
    3,378.23x = 14,526,687.71
  5. Step 5: Solve for x
    x = 14,526,687.71/3,378.23
  6. Step 6: Final answer
    x = 4,300.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.