Home / 2,943.62-4,062.58-1,898.72

Finding the Fourth Proportional to 2,943.62, 4,062.58 and 1,898.72

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Solution

The fourth proportional to 2,943.62, 4,062.58 and 1,898.72 is: 2,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.62 : 4,062.58 = 1,898.72 : x
  2. Step 2: Convert to fraction form
    2,943.62/4,062.58 = 1,898.72/x
  3. Step 3: Cross multiply
    2,943.62x = 4,062.58 × 1,898.72
  4. Step 4: Simplify right side
    2,943.62x = 7,713,676.84
  5. Step 5: Solve for x
    x = 7,713,676.84/2,943.62
  6. Step 6: Final answer
    x = 2,620.48

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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.