Home / 3,346.79-4,618.88-2,021.58

Finding the Fourth Proportional to 3,346.79, 4,618.88 and 2,021.58

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Solution

The fourth proportional to 3,346.79, 4,618.88 and 2,021.58 is: 2,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.79 : 4,618.88 = 2,021.58 : x
  2. Step 2: Convert to fraction form
    3,346.79/4,618.88 = 2,021.58/x
  3. Step 3: Cross multiply
    3,346.79x = 4,618.88 × 2,021.58
  4. Step 4: Simplify right side
    3,346.79x = 9,337,425.32
  5. Step 5: Solve for x
    x = 9,337,425.32/3,346.79
  6. Step 6: Final answer
    x = 2,789.97

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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.