Home / 1,922.63-2,641.68-1,528.97

Finding the Fourth Proportional to 1,922.63, 2,641.68 and 1,528.97

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Solution

The fourth proportional to 1,922.63, 2,641.68 and 1,528.97 is: 2,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.63 : 2,641.68 = 1,528.97 : x
  2. Step 2: Convert to fraction form
    1,922.63/2,641.68 = 1,528.97/x
  3. Step 3: Cross multiply
    1,922.63x = 2,641.68 × 1,528.97
  4. Step 4: Simplify right side
    1,922.63x = 4,039,036.26
  5. Step 5: Solve for x
    x = 4,039,036.26/1,922.63
  6. Step 6: Final answer
    x = 2,100.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.