Home / 2,209.35-3,048.84-1,214.55

Finding the Fourth Proportional to 2,209.35, 3,048.84 and 1,214.55

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Solution

The fourth proportional to 2,209.35, 3,048.84 and 1,214.55 is: 1,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.35 : 3,048.84 = 1,214.55 : x
  2. Step 2: Convert to fraction form
    2,209.35/3,048.84 = 1,214.55/x
  3. Step 3: Cross multiply
    2,209.35x = 3,048.84 × 1,214.55
  4. Step 4: Simplify right side
    2,209.35x = 3,702,968.62
  5. Step 5: Solve for x
    x = 3,702,968.62/2,209.35
  6. Step 6: Final answer
    x = 1,676.04

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1.5x scale

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.