Home / 3,435.68-4,740.78-2,240.12

Finding the Fourth Proportional to 3,435.68, 4,740.78 and 2,240.12

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Solution

The fourth proportional to 3,435.68, 4,740.78 and 2,240.12 is: 3,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.68 : 4,740.78 = 2,240.12 : x
  2. Step 2: Convert to fraction form
    3,435.68/4,740.78 = 2,240.12/x
  3. Step 3: Cross multiply
    3,435.68x = 4,740.78 × 2,240.12
  4. Step 4: Simplify right side
    3,435.68x = 10,619,892.39
  5. Step 5: Solve for x
    x = 10,619,892.39/3,435.68
  6. Step 6: Final answer
    x = 3,091.06

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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.