Home / 2,976.59-4,107.71-1,857.58

Finding the Fourth Proportional to 2,976.59, 4,107.71 and 1,857.58

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Solution

The fourth proportional to 2,976.59, 4,107.71 and 1,857.58 is: 2,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.59 : 4,107.71 = 1,857.58 : x
  2. Step 2: Convert to fraction form
    2,976.59/4,107.71 = 1,857.58/x
  3. Step 3: Cross multiply
    2,976.59x = 4,107.71 × 1,857.58
  4. Step 4: Simplify right side
    2,976.59x = 7,630,399.94
  5. Step 5: Solve for x
    x = 7,630,399.94/2,976.59
  6. Step 6: Final answer
    x = 2,563.47

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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.