Home / 2,871.20-4,304.64-2,048.96

Finding the Fourth Proportional to 2,871.20, 4,304.64 and 2,048.96

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Solution

The fourth proportional to 2,871.20, 4,304.64 and 2,048.96 is: 3,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.20 : 4,304.64 = 2,048.96 : x
  2. Step 2: Convert to fraction form
    2,871.20/4,304.64 = 2,048.96/x
  3. Step 3: Cross multiply
    2,871.20x = 4,304.64 × 2,048.96
  4. Step 4: Simplify right side
    2,871.20x = 8,820,035.17
  5. Step 5: Solve for x
    x = 8,820,035.17/2,871.20
  6. Step 6: Final answer
    x = 3,071.90

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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.