Home / 2,860.80-4,295.04-1,630.48

Finding the Fourth Proportional to 2,860.80, 4,295.04 and 1,630.48

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Solution

The fourth proportional to 2,860.80, 4,295.04 and 1,630.48 is: 2,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.80 : 4,295.04 = 1,630.48 : x
  2. Step 2: Convert to fraction form
    2,860.80/4,295.04 = 1,630.48/x
  3. Step 3: Cross multiply
    2,860.80x = 4,295.04 × 1,630.48
  4. Step 4: Simplify right side
    2,860.80x = 7,002,976.82
  5. Step 5: Solve for x
    x = 7,002,976.82/2,860.80
  6. Step 6: Final answer
    x = 2,447.91

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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.