Home / 1,446.90-1,998.99-1,330.26

Finding the Fourth Proportional to 1,446.90, 1,998.99 and 1,330.26

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Solution

The fourth proportional to 1,446.90, 1,998.99 and 1,330.26 is: 1,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.90 : 1,998.99 = 1,330.26 : x
  2. Step 2: Convert to fraction form
    1,446.90/1,998.99 = 1,330.26/x
  3. Step 3: Cross multiply
    1,446.90x = 1,998.99 × 1,330.26
  4. Step 4: Simplify right side
    1,446.90x = 2,659,176.44
  5. Step 5: Solve for x
    x = 2,659,176.44/1,446.90
  6. Step 6: Final answer
    x = 1,837.84

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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.