Home / 2,208.10-3,044.88-1,647.68

Finding the Fourth Proportional to 2,208.10, 3,044.88 and 1,647.68

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Solution

The fourth proportional to 2,208.10, 3,044.88 and 1,647.68 is: 2,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.10 : 3,044.88 = 1,647.68 : x
  2. Step 2: Convert to fraction form
    2,208.10/3,044.88 = 1,647.68/x
  3. Step 3: Cross multiply
    2,208.10x = 3,044.88 × 1,647.68
  4. Step 4: Simplify right side
    2,208.10x = 5,016,987.88
  5. Step 5: Solve for x
    x = 5,016,987.88/2,208.10
  6. Step 6: Final answer
    x = 2,272.08

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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.