Home / 3,617.60-5,422.08-2,969.60

Finding the Fourth Proportional to 3,617.60, 5,422.08 and 2,969.60

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Solution

The fourth proportional to 3,617.60, 5,422.08 and 2,969.60 is: 4,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.60 : 5,422.08 = 2,969.60 : x
  2. Step 2: Convert to fraction form
    3,617.60/5,422.08 = 2,969.60/x
  3. Step 3: Cross multiply
    3,617.60x = 5,422.08 × 2,969.60
  4. Step 4: Simplify right side
    3,617.60x = 16,101,408.77
  5. Step 5: Solve for x
    x = 16,101,408.77/3,617.60
  6. Step 6: Final answer
    x = 4,450.85

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1.5x scale

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.