Home / 2,904.12-4,009.48-1,997.18

Finding the Fourth Proportional to 2,904.12, 4,009.48 and 1,997.18

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Solution

The fourth proportional to 2,904.12, 4,009.48 and 1,997.18 is: 2,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.12 : 4,009.48 = 1,997.18 : x
  2. Step 2: Convert to fraction form
    2,904.12/4,009.48 = 1,997.18/x
  3. Step 3: Cross multiply
    2,904.12x = 4,009.48 × 1,997.18
  4. Step 4: Simplify right side
    2,904.12x = 8,007,653.27
  5. Step 5: Solve for x
    x = 8,007,653.27/2,904.12
  6. Step 6: Final answer
    x = 2,757.34

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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.