Home / 2,208.31-3,047.14-1,263.95

Finding the Fourth Proportional to 2,208.31, 3,047.14 and 1,263.95

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Solution

The fourth proportional to 2,208.31, 3,047.14 and 1,263.95 is: 1,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.31 : 3,047.14 = 1,263.95 : x
  2. Step 2: Convert to fraction form
    2,208.31/3,047.14 = 1,263.95/x
  3. Step 3: Cross multiply
    2,208.31x = 3,047.14 × 1,263.95
  4. Step 4: Simplify right side
    2,208.31x = 3,851,411.05
  5. Step 5: Solve for x
    x = 3,851,411.05/2,208.31
  6. Step 6: Final answer
    x = 1,744.06

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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.