Home / 2,208.14-3,044.91-1,647.72

Finding the Fourth Proportional to 2,208.14, 3,044.91 and 1,647.72

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Solution

The fourth proportional to 2,208.14, 3,044.91 and 1,647.72 is: 2,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.14 : 3,044.91 = 1,647.72 : x
  2. Step 2: Convert to fraction form
    2,208.14/3,044.91 = 1,647.72/x
  3. Step 3: Cross multiply
    2,208.14x = 3,044.91 × 1,647.72
  4. Step 4: Simplify right side
    2,208.14x = 5,017,159.11
  5. Step 5: Solve for x
    x = 5,017,159.11/2,208.14
  6. Step 6: Final answer
    x = 2,272.13

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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.