Home / 3,688.10-5,533.07-1,091.04

Finding the Fourth Proportional to 3,688.10, 5,533.07 and 1,091.04

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Solution

The fourth proportional to 3,688.10, 5,533.07 and 1,091.04 is: 1,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.10 : 5,533.07 = 1,091.04 : x
  2. Step 2: Convert to fraction form
    3,688.10/5,533.07 = 1,091.04/x
  3. Step 3: Cross multiply
    3,688.10x = 5,533.07 × 1,091.04
  4. Step 4: Simplify right side
    3,688.10x = 6,036,774.49
  5. Step 5: Solve for x
    x = 6,036,774.49/3,688.10
  6. Step 6: Final answer
    x = 1,636.83

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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.