Home / 3,091.81-4,267.01-1,765.54

Finding the Fourth Proportional to 3,091.81, 4,267.01 and 1,765.54

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Solution

The fourth proportional to 3,091.81, 4,267.01 and 1,765.54 is: 2,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.81 : 4,267.01 = 1,765.54 : x
  2. Step 2: Convert to fraction form
    3,091.81/4,267.01 = 1,765.54/x
  3. Step 3: Cross multiply
    3,091.81x = 4,267.01 × 1,765.54
  4. Step 4: Simplify right side
    3,091.81x = 7,533,576.84
  5. Step 5: Solve for x
    x = 7,533,576.84/3,091.81
  6. Step 6: Final answer
    x = 2,436.62

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1.5x scale

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.