Home / 4,079.23-5,629.80-2,287.19

Finding the Fourth Proportional to 4,079.23, 5,629.80 and 2,287.19

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Solution

The fourth proportional to 4,079.23, 5,629.80 and 2,287.19 is: 3,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.23 : 5,629.80 = 2,287.19 : x
  2. Step 2: Convert to fraction form
    4,079.23/5,629.80 = 2,287.19/x
  3. Step 3: Cross multiply
    4,079.23x = 5,629.80 × 2,287.19
  4. Step 4: Simplify right side
    4,079.23x = 12,876,427.35
  5. Step 5: Solve for x
    x = 12,876,427.35/4,079.23
  6. Step 6: Final answer
    x = 3,156.58

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1.5x scale

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.