Home / 2,209.17-3,048.64-1,214.49

Finding the Fourth Proportional to 2,209.17, 3,048.64 and 1,214.49

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Solution

The fourth proportional to 2,209.17, 3,048.64 and 1,214.49 is: 1,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.17 : 3,048.64 = 1,214.49 : x
  2. Step 2: Convert to fraction form
    2,209.17/3,048.64 = 1,214.49/x
  3. Step 3: Cross multiply
    2,209.17x = 3,048.64 × 1,214.49
  4. Step 4: Simplify right side
    2,209.17x = 3,702,551.19
  5. Step 5: Solve for x
    x = 3,702,551.19/2,209.17
  6. Step 6: Final answer
    x = 1,675.99

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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.