Home / 2,203.86-3,041.30-1,209.08

Finding the Fourth Proportional to 2,203.86, 3,041.30 and 1,209.08

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Solution

The fourth proportional to 2,203.86, 3,041.30 and 1,209.08 is: 1,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.86 : 3,041.30 = 1,209.08 : x
  2. Step 2: Convert to fraction form
    2,203.86/3,041.30 = 1,209.08/x
  3. Step 3: Cross multiply
    2,203.86x = 3,041.30 × 1,209.08
  4. Step 4: Simplify right side
    2,203.86x = 3,677,161.72
  5. Step 5: Solve for x
    x = 3,677,161.72/2,203.86
  6. Step 6: Final answer
    x = 1,668.51

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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.