Home / 2,848.43-3,929.14-2,104.31

Finding the Fourth Proportional to 2,848.43, 3,929.14 and 2,104.31

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Solution

The fourth proportional to 2,848.43, 3,929.14 and 2,104.31 is: 2,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.43 : 3,929.14 = 2,104.31 : x
  2. Step 2: Convert to fraction form
    2,848.43/3,929.14 = 2,104.31/x
  3. Step 3: Cross multiply
    2,848.43x = 3,929.14 × 2,104.31
  4. Step 4: Simplify right side
    2,848.43x = 8,268,141.05
  5. Step 5: Solve for x
    x = 8,268,141.05/2,848.43
  6. Step 6: Final answer
    x = 2,902.70

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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.