Home / 2,203.48-3,040.77-1,208.76

Finding the Fourth Proportional to 2,203.48, 3,040.77 and 1,208.76

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Solution

The fourth proportional to 2,203.48, 3,040.77 and 1,208.76 is: 1,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.48 : 3,040.77 = 1,208.76 : x
  2. Step 2: Convert to fraction form
    2,203.48/3,040.77 = 1,208.76/x
  3. Step 3: Cross multiply
    2,203.48x = 3,040.77 × 1,208.76
  4. Step 4: Simplify right side
    2,203.48x = 3,675,577.08
  5. Step 5: Solve for x
    x = 3,675,577.08/2,203.48
  6. Step 6: Final answer
    x = 1,668.08

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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.