Home / 3,030.48-4,163.94-2,408.40

Finding the Fourth Proportional to 3,030.48, 4,163.94 and 2,408.40

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Solution

The fourth proportional to 3,030.48, 4,163.94 and 2,408.40 is: 3,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.48 : 4,163.94 = 2,408.40 : x
  2. Step 2: Convert to fraction form
    3,030.48/4,163.94 = 2,408.40/x
  3. Step 3: Cross multiply
    3,030.48x = 4,163.94 × 2,408.40
  4. Step 4: Simplify right side
    3,030.48x = 10,028,433.10
  5. Step 5: Solve for x
    x = 10,028,433.10/3,030.48
  6. Step 6: Final answer
    x = 3,309.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.