Home / 2,203.88-3,041.20-1,209.14

Finding the Fourth Proportional to 2,203.88, 3,041.20 and 1,209.14

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Solution

The fourth proportional to 2,203.88, 3,041.20 and 1,209.14 is: 1,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.88 : 3,041.20 = 1,209.14 : x
  2. Step 2: Convert to fraction form
    2,203.88/3,041.20 = 1,209.14/x
  3. Step 3: Cross multiply
    2,203.88x = 3,041.20 × 1,209.14
  4. Step 4: Simplify right side
    2,203.88x = 3,677,218.34
  5. Step 5: Solve for x
    x = 3,677,218.34/2,203.88
  6. Step 6: Final answer
    x = 1,668.52

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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.