Home / 1,949.41-2,690.25-1,065.23

Finding the Fourth Proportional to 1,949.41, 2,690.25 and 1,065.23

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Solution

The fourth proportional to 1,949.41, 2,690.25 and 1,065.23 is: 1,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.41 : 2,690.25 = 1,065.23 : x
  2. Step 2: Convert to fraction form
    1,949.41/2,690.25 = 1,065.23/x
  3. Step 3: Cross multiply
    1,949.41x = 2,690.25 × 1,065.23
  4. Step 4: Simplify right side
    1,949.41x = 2,865,727.65
  5. Step 5: Solve for x
    x = 2,865,727.65/1,949.41
  6. Step 6: Final answer
    x = 1,470.05

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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.