Home / 2,706.18-3,734.79-1,643.70

Finding the Fourth Proportional to 2,706.18, 3,734.79 and 1,643.70

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Solution

The fourth proportional to 2,706.18, 3,734.79 and 1,643.70 is: 2,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.18 : 3,734.79 = 1,643.70 : x
  2. Step 2: Convert to fraction form
    2,706.18/3,734.79 = 1,643.70/x
  3. Step 3: Cross multiply
    2,706.18x = 3,734.79 × 1,643.70
  4. Step 4: Simplify right side
    2,706.18x = 6,138,874.32
  5. Step 5: Solve for x
    x = 6,138,874.32/2,706.18
  6. Step 6: Final answer
    x = 2,268.46

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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.