Home / 3,347.37-4,619.43-2,021.13

Finding the Fourth Proportional to 3,347.37, 4,619.43 and 2,021.13

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Solution

The fourth proportional to 3,347.37, 4,619.43 and 2,021.13 is: 2,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.37 : 4,619.43 = 2,021.13 : x
  2. Step 2: Convert to fraction form
    3,347.37/4,619.43 = 2,021.13/x
  3. Step 3: Cross multiply
    3,347.37x = 4,619.43 × 2,021.13
  4. Step 4: Simplify right side
    3,347.37x = 9,336,468.56
  5. Step 5: Solve for x
    x = 9,336,468.56/3,347.37
  6. Step 6: Final answer
    x = 2,789.20

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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.