Home / 1,924.74-2,653.56-1,261.35

Finding the Fourth Proportional to 1,924.74, 2,653.56 and 1,261.35

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Solution

The fourth proportional to 1,924.74, 2,653.56 and 1,261.35 is: 1,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.74 : 2,653.56 = 1,261.35 : x
  2. Step 2: Convert to fraction form
    1,924.74/2,653.56 = 1,261.35/x
  3. Step 3: Cross multiply
    1,924.74x = 2,653.56 × 1,261.35
  4. Step 4: Simplify right side
    1,924.74x = 3,347,067.91
  5. Step 5: Solve for x
    x = 3,347,067.91/1,924.74
  6. Step 6: Final answer
    x = 1,738.97

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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.