Home / 3,520.48-4,858.19-1,927.09

Finding the Fourth Proportional to 3,520.48, 4,858.19 and 1,927.09

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Solution

The fourth proportional to 3,520.48, 4,858.19 and 1,927.09 is: 2,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.48 : 4,858.19 = 1,927.09 : x
  2. Step 2: Convert to fraction form
    3,520.48/4,858.19 = 1,927.09/x
  3. Step 3: Cross multiply
    3,520.48x = 4,858.19 × 1,927.09
  4. Step 4: Simplify right side
    3,520.48x = 9,362,145.08
  5. Step 5: Solve for x
    x = 9,362,145.08/3,520.48
  6. Step 6: Final answer
    x = 2,659.34

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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.