Home / 2,814.04-4,215.44-2,584.40

Finding the Fourth Proportional to 2,814.04, 4,215.44 and 2,584.40

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Solution

The fourth proportional to 2,814.04, 4,215.44 and 2,584.40 is: 3,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.04 : 4,215.44 = 2,584.40 : x
  2. Step 2: Convert to fraction form
    2,814.04/4,215.44 = 2,584.40/x
  3. Step 3: Cross multiply
    2,814.04x = 4,215.44 × 2,584.40
  4. Step 4: Simplify right side
    2,814.04x = 10,894,383.14
  5. Step 5: Solve for x
    x = 10,894,383.14/2,814.04
  6. Step 6: Final answer
    x = 3,871.44

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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.