Home / 2,016.36-3,025.08-1,285.20

Finding the Fourth Proportional to 2,016.36, 3,025.08 and 1,285.20

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Solution

The fourth proportional to 2,016.36, 3,025.08 and 1,285.20 is: 1,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.36 : 3,025.08 = 1,285.20 : x
  2. Step 2: Convert to fraction form
    2,016.36/3,025.08 = 1,285.20/x
  3. Step 3: Cross multiply
    2,016.36x = 3,025.08 × 1,285.20
  4. Step 4: Simplify right side
    2,016.36x = 3,887,832.82
  5. Step 5: Solve for x
    x = 3,887,832.82/2,016.36
  6. Step 6: Final answer
    x = 1,928.14

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1.5x scale

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.