Home / 3,513.56-4,848.84-2,021.52

Finding the Fourth Proportional to 3,513.56, 4,848.84 and 2,021.52

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Solution

The fourth proportional to 3,513.56, 4,848.84 and 2,021.52 is: 2,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.56 : 4,848.84 = 2,021.52 : x
  2. Step 2: Convert to fraction form
    3,513.56/4,848.84 = 2,021.52/x
  3. Step 3: Cross multiply
    3,513.56x = 4,848.84 × 2,021.52
  4. Step 4: Simplify right side
    3,513.56x = 9,802,027.04
  5. Step 5: Solve for x
    x = 9,802,027.04/3,513.56
  6. Step 6: Final answer
    x = 2,789.77

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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.