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Finding the Fourth Proportional to 3,059.01, 4,220.51 and 1,879.65

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Solution

The fourth proportional to 3,059.01, 4,220.51 and 1,879.65 is: 2,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.01 : 4,220.51 = 1,879.65 : x
  2. Step 2: Convert to fraction form
    3,059.01/4,220.51 = 1,879.65/x
  3. Step 3: Cross multiply
    3,059.01x = 4,220.51 × 1,879.65
  4. Step 4: Simplify right side
    3,059.01x = 7,933,072.22
  5. Step 5: Solve for x
    x = 7,933,072.22/3,059.01
  6. Step 6: Final answer
    x = 2,593.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.