Home / 1,943.65-2,682-1,104.35

Finding the Fourth Proportional to 1,943.65, 2,682 and 1,104.35

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Solution

The fourth proportional to 1,943.65, 2,682 and 1,104.35 is: 1,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.65 : 2,682 = 1,104.35 : x
  2. Step 2: Convert to fraction form
    1,943.65/2,682 = 1,104.35/x
  3. Step 3: Cross multiply
    1,943.65x = 2,682 × 1,104.35
  4. Step 4: Simplify right side
    1,943.65x = 2,961,853.29
  5. Step 5: Solve for x
    x = 2,961,853.29/1,943.65
  6. Step 6: Final answer
    x = 1,523.86

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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.