Home / 3,409.54-4,705.29-2,065.59

Finding the Fourth Proportional to 3,409.54, 4,705.29 and 2,065.59

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Solution

The fourth proportional to 3,409.54, 4,705.29 and 2,065.59 is: 2,850.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.54 : 4,705.29 = 2,065.59 : x
  2. Step 2: Convert to fraction form
    3,409.54/4,705.29 = 2,065.59/x
  3. Step 3: Cross multiply
    3,409.54x = 4,705.29 × 2,065.59
  4. Step 4: Simplify right side
    3,409.54x = 9,719,199.97
  5. Step 5: Solve for x
    x = 9,719,199.97/3,409.54
  6. Step 6: Final answer
    x = 2,850.59

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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.