Home / 2,810.58-4,217.79-1,079.22

Finding the Fourth Proportional to 2,810.58, 4,217.79 and 1,079.22

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Solution

The fourth proportional to 2,810.58, 4,217.79 and 1,079.22 is: 1,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.58 : 4,217.79 = 1,079.22 : x
  2. Step 2: Convert to fraction form
    2,810.58/4,217.79 = 1,079.22/x
  3. Step 3: Cross multiply
    2,810.58x = 4,217.79 × 1,079.22
  4. Step 4: Simplify right side
    2,810.58x = 4,551,923.32
  5. Step 5: Solve for x
    x = 4,551,923.32/2,810.58
  6. Step 6: Final answer
    x = 1,619.57

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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.