Home / 3,406.55-4,720.77-3,340.94

Finding the Fourth Proportional to 3,406.55, 4,720.77 and 3,340.94

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Solution

The fourth proportional to 3,406.55, 4,720.77 and 3,340.94 is: 4,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.55 : 4,720.77 = 3,340.94 : x
  2. Step 2: Convert to fraction form
    3,406.55/4,720.77 = 3,340.94/x
  3. Step 3: Cross multiply
    3,406.55x = 4,720.77 × 3,340.94
  4. Step 4: Simplify right side
    3,406.55x = 15,771,792.62
  5. Step 5: Solve for x
    x = 15,771,792.62/3,406.55
  6. Step 6: Final answer
    x = 4,629.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.