Home / 3,438.06-4,745.76-2,040.81

Finding the Fourth Proportional to 3,438.06, 4,745.76 and 2,040.81

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Solution

The fourth proportional to 3,438.06, 4,745.76 and 2,040.81 is: 2,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.06 : 4,745.76 = 2,040.81 : x
  2. Step 2: Convert to fraction form
    3,438.06/4,745.76 = 2,040.81/x
  3. Step 3: Cross multiply
    3,438.06x = 4,745.76 × 2,040.81
  4. Step 4: Simplify right side
    3,438.06x = 9,685,201.23
  5. Step 5: Solve for x
    x = 9,685,201.23/3,438.06
  6. Step 6: Final answer
    x = 2,817.05

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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.