Home / 2,223.21-3,068.04-1,214.94

Finding the Fourth Proportional to 2,223.21, 3,068.04 and 1,214.94

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Solution

The fourth proportional to 2,223.21, 3,068.04 and 1,214.94 is: 1,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.21 : 3,068.04 = 1,214.94 : x
  2. Step 2: Convert to fraction form
    2,223.21/3,068.04 = 1,214.94/x
  3. Step 3: Cross multiply
    2,223.21x = 3,068.04 × 1,214.94
  4. Step 4: Simplify right side
    2,223.21x = 3,727,482.92
  5. Step 5: Solve for x
    x = 3,727,482.92/2,223.21
  6. Step 6: Final answer
    x = 1,676.62

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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.