Home / 2,934.60-4,049.75-1,608.32

Finding the Fourth Proportional to 2,934.60, 4,049.75 and 1,608.32

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Solution

The fourth proportional to 2,934.60, 4,049.75 and 1,608.32 is: 2,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.60 : 4,049.75 = 1,608.32 : x
  2. Step 2: Convert to fraction form
    2,934.60/4,049.75 = 1,608.32/x
  3. Step 3: Cross multiply
    2,934.60x = 4,049.75 × 1,608.32
  4. Step 4: Simplify right side
    2,934.60x = 6,513,265.63
  5. Step 5: Solve for x
    x = 6,513,265.63/2,934.60
  6. Step 6: Final answer
    x = 2,219.47

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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.