Home / 1,903.25-2,626.62-1,106.79

Finding the Fourth Proportional to 1,903.25, 2,626.62 and 1,106.79

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Solution

The fourth proportional to 1,903.25, 2,626.62 and 1,106.79 is: 1,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.25 : 2,626.62 = 1,106.79 : x
  2. Step 2: Convert to fraction form
    1,903.25/2,626.62 = 1,106.79/x
  3. Step 3: Cross multiply
    1,903.25x = 2,626.62 × 1,106.79
  4. Step 4: Simplify right side
    1,903.25x = 2,907,116.75
  5. Step 5: Solve for x
    x = 2,907,116.75/1,903.25
  6. Step 6: Final answer
    x = 1,527.45

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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.