Home / 3,435.50-4,740.97-1,863.60

Finding the Fourth Proportional to 3,435.50, 4,740.97 and 1,863.60

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Solution

The fourth proportional to 3,435.50, 4,740.97 and 1,863.60 is: 2,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.50 : 4,740.97 = 1,863.60 : x
  2. Step 2: Convert to fraction form
    3,435.50/4,740.97 = 1,863.60/x
  3. Step 3: Cross multiply
    3,435.50x = 4,740.97 × 1,863.60
  4. Step 4: Simplify right side
    3,435.50x = 8,835,271.69
  5. Step 5: Solve for x
    x = 8,835,271.69/3,435.50
  6. Step 6: Final answer
    x = 2,571.76

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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.