Home / 3,435.28-4,740.69-1,863.38

Finding the Fourth Proportional to 3,435.28, 4,740.69 and 1,863.38

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Solution

The fourth proportional to 3,435.28, 4,740.69 and 1,863.38 is: 2,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.28 : 4,740.69 = 1,863.38 : x
  2. Step 2: Convert to fraction form
    3,435.28/4,740.69 = 1,863.38/x
  3. Step 3: Cross multiply
    3,435.28x = 4,740.69 × 1,863.38
  4. Step 4: Simplify right side
    3,435.28x = 8,833,725.77
  5. Step 5: Solve for x
    x = 8,833,725.77/3,435.28
  6. Step 6: Final answer
    x = 2,571.47

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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.