Home / 3,622.14-5,430.54-1,155.54

Finding the Fourth Proportional to 3,622.14, 5,430.54 and 1,155.54

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Solution

The fourth proportional to 3,622.14, 5,430.54 and 1,155.54 is: 1,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.14 : 5,430.54 = 1,155.54 : x
  2. Step 2: Convert to fraction form
    3,622.14/5,430.54 = 1,155.54/x
  3. Step 3: Cross multiply
    3,622.14x = 5,430.54 × 1,155.54
  4. Step 4: Simplify right side
    3,622.14x = 6,275,206.19
  5. Step 5: Solve for x
    x = 6,275,206.19/3,622.14
  6. Step 6: Final answer
    x = 1,732.46

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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.