Home / 2,810.98-4,216.42-2,195.19

Finding the Fourth Proportional to 2,810.98, 4,216.42 and 2,195.19

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Solution

The fourth proportional to 2,810.98, 4,216.42 and 2,195.19 is: 3,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.98 : 4,216.42 = 2,195.19 : x
  2. Step 2: Convert to fraction form
    2,810.98/4,216.42 = 2,195.19/x
  3. Step 3: Cross multiply
    2,810.98x = 4,216.42 × 2,195.19
  4. Step 4: Simplify right side
    2,810.98x = 9,255,843.02
  5. Step 5: Solve for x
    x = 9,255,843.02/2,810.98
  6. Step 6: Final answer
    x = 3,292.75

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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.