Home / 2,209.27-3,048.64-1,214.50

Finding the Fourth Proportional to 2,209.27, 3,048.64 and 1,214.50

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Solution

The fourth proportional to 2,209.27, 3,048.64 and 1,214.50 is: 1,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.27 : 3,048.64 = 1,214.50 : x
  2. Step 2: Convert to fraction form
    2,209.27/3,048.64 = 1,214.50/x
  3. Step 3: Cross multiply
    2,209.27x = 3,048.64 × 1,214.50
  4. Step 4: Simplify right side
    2,209.27x = 3,702,573.28
  5. Step 5: Solve for x
    x = 3,702,573.28/2,209.27
  6. Step 6: Final answer
    x = 1,675.93

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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.