Home / 1,623.51-2,431.62-1,074.33

Finding the Fourth Proportional to 1,623.51, 2,431.62 and 1,074.33

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Solution

The fourth proportional to 1,623.51, 2,431.62 and 1,074.33 is: 1,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.51 : 2,431.62 = 1,074.33 : x
  2. Step 2: Convert to fraction form
    1,623.51/2,431.62 = 1,074.33/x
  3. Step 3: Cross multiply
    1,623.51x = 2,431.62 × 1,074.33
  4. Step 4: Simplify right side
    1,623.51x = 2,612,362.31
  5. Step 5: Solve for x
    x = 2,612,362.31/1,623.51
  6. Step 6: Final answer
    x = 1,609.08

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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.