Home / 2,871.43-4,298.94-2,174.02

Finding the Fourth Proportional to 2,871.43, 4,298.94 and 2,174.02

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Solution

The fourth proportional to 2,871.43, 4,298.94 and 2,174.02 is: 3,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.43 : 4,298.94 = 2,174.02 : x
  2. Step 2: Convert to fraction form
    2,871.43/4,298.94 = 2,174.02/x
  3. Step 3: Cross multiply
    2,871.43x = 4,298.94 × 2,174.02
  4. Step 4: Simplify right side
    2,871.43x = 9,345,970.79
  5. Step 5: Solve for x
    x = 9,345,970.79/2,871.43
  6. Step 6: Final answer
    x = 3,254.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.