Home / 3,435.22-4,740.55-1,863.30

Finding the Fourth Proportional to 3,435.22, 4,740.55 and 1,863.30

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Solution

The fourth proportional to 3,435.22, 4,740.55 and 1,863.30 is: 2,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.22 : 4,740.55 = 1,863.30 : x
  2. Step 2: Convert to fraction form
    3,435.22/4,740.55 = 1,863.30/x
  3. Step 3: Cross multiply
    3,435.22x = 4,740.55 × 1,863.30
  4. Step 4: Simplify right side
    3,435.22x = 8,833,066.82
  5. Step 5: Solve for x
    x = 8,833,066.82/3,435.22
  6. Step 6: Final answer
    x = 2,571.32

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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.