Home / 1,351.36-2,025.84-1,230.96

Finding the Fourth Proportional to 1,351.36, 2,025.84 and 1,230.96

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Solution

The fourth proportional to 1,351.36, 2,025.84 and 1,230.96 is: 1,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.36 : 2,025.84 = 1,230.96 : x
  2. Step 2: Convert to fraction form
    1,351.36/2,025.84 = 1,230.96/x
  3. Step 3: Cross multiply
    1,351.36x = 2,025.84 × 1,230.96
  4. Step 4: Simplify right side
    1,351.36x = 2,493,728.01
  5. Step 5: Solve for x
    x = 2,493,728.01/1,351.36
  6. Step 6: Final answer
    x = 1,845.35

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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.