Home / 2,810.93-4,208.10-2,690.65

Finding the Fourth Proportional to 2,810.93, 4,208.10 and 2,690.65

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Solution

The fourth proportional to 2,810.93, 4,208.10 and 2,690.65 is: 4,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.93 : 4,208.10 = 2,690.65 : x
  2. Step 2: Convert to fraction form
    2,810.93/4,208.10 = 2,690.65/x
  3. Step 3: Cross multiply
    2,810.93x = 4,208.10 × 2,690.65
  4. Step 4: Simplify right side
    2,810.93x = 11,322,503.65
  5. Step 5: Solve for x
    x = 11,322,503.65/2,810.93
  6. Step 6: Final answer
    x = 4,028.02

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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.