Home / 2,208.39-3,047.67-1,264.11

Finding the Fourth Proportional to 2,208.39, 3,047.67 and 1,264.11

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Solution

The fourth proportional to 2,208.39, 3,047.67 and 1,264.11 is: 1,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.39 : 3,047.67 = 1,264.11 : x
  2. Step 2: Convert to fraction form
    2,208.39/3,047.67 = 1,264.11/x
  3. Step 3: Cross multiply
    2,208.39x = 3,047.67 × 1,264.11
  4. Step 4: Simplify right side
    2,208.39x = 3,852,590.12
  5. Step 5: Solve for x
    x = 3,852,590.12/2,208.39
  6. Step 6: Final answer
    x = 1,744.52

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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.