Home / 3,104.88-4,643.40-2,760.36

Finding the Fourth Proportional to 3,104.88, 4,643.40 and 2,760.36

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Solution

The fourth proportional to 3,104.88, 4,643.40 and 2,760.36 is: 4,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.88 : 4,643.40 = 2,760.36 : x
  2. Step 2: Convert to fraction form
    3,104.88/4,643.40 = 2,760.36/x
  3. Step 3: Cross multiply
    3,104.88x = 4,643.40 × 2,760.36
  4. Step 4: Simplify right side
    3,104.88x = 12,817,455.62
  5. Step 5: Solve for x
    x = 12,817,455.62/3,104.88
  6. Step 6: Final answer
    x = 4,128.16

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1.5x scale

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.