Home / 3,375.84-4,655.60-2,629.92

Finding the Fourth Proportional to 3,375.84, 4,655.60 and 2,629.92

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Solution

The fourth proportional to 3,375.84, 4,655.60 and 2,629.92 is: 3,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.84 : 4,655.60 = 2,629.92 : x
  2. Step 2: Convert to fraction form
    3,375.84/4,655.60 = 2,629.92/x
  3. Step 3: Cross multiply
    3,375.84x = 4,655.60 × 2,629.92
  4. Step 4: Simplify right side
    3,375.84x = 12,243,855.55
  5. Step 5: Solve for x
    x = 12,243,855.55/3,375.84
  6. Step 6: Final answer
    x = 3,626.91

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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.