Home / 4,114.44-5,680.26-2,840.31

Finding the Fourth Proportional to 4,114.44, 5,680.26 and 2,840.31

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Solution

The fourth proportional to 4,114.44, 5,680.26 and 2,840.31 is: 3,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.44 : 5,680.26 = 2,840.31 : x
  2. Step 2: Convert to fraction form
    4,114.44/5,680.26 = 2,840.31/x
  3. Step 3: Cross multiply
    4,114.44x = 5,680.26 × 2,840.31
  4. Step 4: Simplify right side
    4,114.44x = 16,133,699.28
  5. Step 5: Solve for x
    x = 16,133,699.28/4,114.44
  6. Step 6: Final answer
    x = 3,921.24

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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.