Home / 3,688.98-5,534.37-1,091.94

Finding the Fourth Proportional to 3,688.98, 5,534.37 and 1,091.94

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Solution

The fourth proportional to 3,688.98, 5,534.37 and 1,091.94 is: 1,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.98 : 5,534.37 = 1,091.94 : x
  2. Step 2: Convert to fraction form
    3,688.98/5,534.37 = 1,091.94/x
  3. Step 3: Cross multiply
    3,688.98x = 5,534.37 × 1,091.94
  4. Step 4: Simplify right side
    3,688.98x = 6,043,199.98
  5. Step 5: Solve for x
    x = 6,043,199.98/3,688.98
  6. Step 6: Final answer
    x = 1,638.18

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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.