Home / 3,347.26-4,619.70-2,021.15

Finding the Fourth Proportional to 3,347.26, 4,619.70 and 2,021.15

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Solution

The fourth proportional to 3,347.26, 4,619.70 and 2,021.15 is: 2,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.26 : 4,619.70 = 2,021.15 : x
  2. Step 2: Convert to fraction form
    3,347.26/4,619.70 = 2,021.15/x
  3. Step 3: Cross multiply
    3,347.26x = 4,619.70 × 2,021.15
  4. Step 4: Simplify right side
    3,347.26x = 9,337,118.20
  5. Step 5: Solve for x
    x = 9,337,118.20/3,347.26
  6. Step 6: Final answer
    x = 2,789.48

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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.