Home / 2,208.60-3,047.70-1,264.18

Finding the Fourth Proportional to 2,208.60, 3,047.70 and 1,264.18

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Solution

The fourth proportional to 2,208.60, 3,047.70 and 1,264.18 is: 1,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.60 : 3,047.70 = 1,264.18 : x
  2. Step 2: Convert to fraction form
    2,208.60/3,047.70 = 1,264.18/x
  3. Step 3: Cross multiply
    2,208.60x = 3,047.70 × 1,264.18
  4. Step 4: Simplify right side
    2,208.60x = 3,852,841.39
  5. Step 5: Solve for x
    x = 3,852,841.39/2,208.60
  6. Step 6: Final answer
    x = 1,744.47

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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.