Home / 3,513.13-4,848.60-2,021.02

Finding the Fourth Proportional to 3,513.13, 4,848.60 and 2,021.02

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Solution

The fourth proportional to 3,513.13, 4,848.60 and 2,021.02 is: 2,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.13 : 4,848.60 = 2,021.02 : x
  2. Step 2: Convert to fraction form
    3,513.13/4,848.60 = 2,021.02/x
  3. Step 3: Cross multiply
    3,513.13x = 4,848.60 × 2,021.02
  4. Step 4: Simplify right side
    3,513.13x = 9,799,093.33
  5. Step 5: Solve for x
    x = 9,799,093.33/3,513.13
  6. Step 6: Final answer
    x = 2,789.28

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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.