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Finding the Fourth Proportional to 3,435.69, 4,741.13 and 1,863.75

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Solution

The fourth proportional to 3,435.69, 4,741.13 and 1,863.75 is: 2,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.69 : 4,741.13 = 1,863.75 : x
  2. Step 2: Convert to fraction form
    3,435.69/4,741.13 = 1,863.75/x
  3. Step 3: Cross multiply
    3,435.69x = 4,741.13 × 1,863.75
  4. Step 4: Simplify right side
    3,435.69x = 8,836,281.04
  5. Step 5: Solve for x
    x = 8,836,281.04/3,435.69
  6. Step 6: Final answer
    x = 2,571.91

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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.