Home / 1,903.33-2,626.77-1,157.11

Finding the Fourth Proportional to 1,903.33, 2,626.77 and 1,157.11

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Solution

The fourth proportional to 1,903.33, 2,626.77 and 1,157.11 is: 1,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.33 : 2,626.77 = 1,157.11 : x
  2. Step 2: Convert to fraction form
    1,903.33/2,626.77 = 1,157.11/x
  3. Step 3: Cross multiply
    1,903.33x = 2,626.77 × 1,157.11
  4. Step 4: Simplify right side
    1,903.33x = 3,039,456.05
  5. Step 5: Solve for x
    x = 3,039,456.05/1,903.33
  6. Step 6: Final answer
    x = 1,596.91

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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.