Home / 2,145.48-3,216.62-1,450.19

Finding the Fourth Proportional to 2,145.48, 3,216.62 and 1,450.19

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Solution

The fourth proportional to 2,145.48, 3,216.62 and 1,450.19 is: 2,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145.48 : 3,216.62 = 1,450.19 : x
  2. Step 2: Convert to fraction form
    2,145.48/3,216.62 = 1,450.19/x
  3. Step 3: Cross multiply
    2,145.48x = 3,216.62 × 1,450.19
  4. Step 4: Simplify right side
    2,145.48x = 4,664,686.82
  5. Step 5: Solve for x
    x = 4,664,686.82/2,145.48
  6. Step 6: Final answer
    x = 2,174.19

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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.