Home / 1,623.96-2,431.85-1,074.48

Finding the Fourth Proportional to 1,623.96, 2,431.85 and 1,074.48

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Solution

The fourth proportional to 1,623.96, 2,431.85 and 1,074.48 is: 1,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.96 : 2,431.85 = 1,074.48 : x
  2. Step 2: Convert to fraction form
    1,623.96/2,431.85 = 1,074.48/x
  3. Step 3: Cross multiply
    1,623.96x = 2,431.85 × 1,074.48
  4. Step 4: Simplify right side
    1,623.96x = 2,612,968.82
  5. Step 5: Solve for x
    x = 2,612,968.82/1,623.96
  6. Step 6: Final answer
    x = 1,609.01

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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.