Home / 2,758.26-4,127.04-1,643.58

Finding the Fourth Proportional to 2,758.26, 4,127.04 and 1,643.58

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Solution

The fourth proportional to 2,758.26, 4,127.04 and 1,643.58 is: 2,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.26 : 4,127.04 = 1,643.58 : x
  2. Step 2: Convert to fraction form
    2,758.26/4,127.04 = 1,643.58/x
  3. Step 3: Cross multiply
    2,758.26x = 4,127.04 × 1,643.58
  4. Step 4: Simplify right side
    2,758.26x = 6,783,120.40
  5. Step 5: Solve for x
    x = 6,783,120.40/2,758.26
  6. Step 6: Final answer
    x = 2,459.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.