Home / 3,091.93-4,638.38-1,705.92

Finding the Fourth Proportional to 3,091.93, 4,638.38 and 1,705.92

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Solution

The fourth proportional to 3,091.93, 4,638.38 and 1,705.92 is: 2,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.93 : 4,638.38 = 1,705.92 : x
  2. Step 2: Convert to fraction form
    3,091.93/4,638.38 = 1,705.92/x
  3. Step 3: Cross multiply
    3,091.93x = 4,638.38 × 1,705.92
  4. Step 4: Simplify right side
    3,091.93x = 7,912,705.21
  5. Step 5: Solve for x
    x = 7,912,705.21/3,091.93
  6. Step 6: Final answer
    x = 2,559.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.