Home / 3,435.16-4,740.96-2,109.84

Finding the Fourth Proportional to 3,435.16, 4,740.96 and 2,109.84

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Solution

The fourth proportional to 3,435.16, 4,740.96 and 2,109.84 is: 2,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.16 : 4,740.96 = 2,109.84 : x
  2. Step 2: Convert to fraction form
    3,435.16/4,740.96 = 2,109.84/x
  3. Step 3: Cross multiply
    3,435.16x = 4,740.96 × 2,109.84
  4. Step 4: Simplify right side
    3,435.16x = 10,002,667.05
  5. Step 5: Solve for x
    x = 10,002,667.05/3,435.16
  6. Step 6: Final answer
    x = 2,911.85

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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.