Home / 3,438.19-4,745.78-2,040.67

Finding the Fourth Proportional to 3,438.19, 4,745.78 and 2,040.67

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Solution

The fourth proportional to 3,438.19, 4,745.78 and 2,040.67 is: 2,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.19 : 4,745.78 = 2,040.67 : x
  2. Step 2: Convert to fraction form
    3,438.19/4,745.78 = 2,040.67/x
  3. Step 3: Cross multiply
    3,438.19x = 4,745.78 × 2,040.67
  4. Step 4: Simplify right side
    3,438.19x = 9,684,564.11
  5. Step 5: Solve for x
    x = 9,684,564.11/3,438.19
  6. Step 6: Final answer
    x = 2,816.76

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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.