Home / 2,079.66-2,863.80-1,858.53

Finding the Fourth Proportional to 2,079.66, 2,863.80 and 1,858.53

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Solution

The fourth proportional to 2,079.66, 2,863.80 and 1,858.53 is: 2,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.66 : 2,863.80 = 1,858.53 : x
  2. Step 2: Convert to fraction form
    2,079.66/2,863.80 = 1,858.53/x
  3. Step 3: Cross multiply
    2,079.66x = 2,863.80 × 1,858.53
  4. Step 4: Simplify right side
    2,079.66x = 5,322,458.21
  5. Step 5: Solve for x
    x = 5,322,458.21/2,079.66
  6. Step 6: Final answer
    x = 2,559.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.