Home / 3,409.29-4,684.43-2,709.45

Finding the Fourth Proportional to 3,409.29, 4,684.43 and 2,709.45

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Solution

The fourth proportional to 3,409.29, 4,684.43 and 2,709.45 is: 3,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.29 : 4,684.43 = 2,709.45 : x
  2. Step 2: Convert to fraction form
    3,409.29/4,684.43 = 2,709.45/x
  3. Step 3: Cross multiply
    3,409.29x = 4,684.43 × 2,709.45
  4. Step 4: Simplify right side
    3,409.29x = 12,692,235.64
  5. Step 5: Solve for x
    x = 12,692,235.64/3,409.29
  6. Step 6: Final answer
    x = 3,722.84

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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.