Home / 1,935.38-2,669.53-1,297.33

Finding the Fourth Proportional to 1,935.38, 2,669.53 and 1,297.33

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Solution

The fourth proportional to 1,935.38, 2,669.53 and 1,297.33 is: 1,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.38 : 2,669.53 = 1,297.33 : x
  2. Step 2: Convert to fraction form
    1,935.38/2,669.53 = 1,297.33/x
  3. Step 3: Cross multiply
    1,935.38x = 2,669.53 × 1,297.33
  4. Step 4: Simplify right side
    1,935.38x = 3,463,261.35
  5. Step 5: Solve for x
    x = 3,463,261.35/1,935.38
  6. Step 6: Final answer
    x = 1,789.45

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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.