Home / 3,435.20-4,740.52-1,863.32

Finding the Fourth Proportional to 3,435.20, 4,740.52 and 1,863.32

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Solution

The fourth proportional to 3,435.20, 4,740.52 and 1,863.32 is: 2,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.20 : 4,740.52 = 1,863.32 : x
  2. Step 2: Convert to fraction form
    3,435.20/4,740.52 = 1,863.32/x
  3. Step 3: Cross multiply
    3,435.20x = 4,740.52 × 1,863.32
  4. Step 4: Simplify right side
    3,435.20x = 8,833,105.73
  5. Step 5: Solve for x
    x = 8,833,105.73/3,435.20
  6. Step 6: Final answer
    x = 2,571.35

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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.