Home / 3,705.12-5,559.12-2,245.32

Finding the Fourth Proportional to 3,705.12, 5,559.12 and 2,245.32

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Solution

The fourth proportional to 3,705.12, 5,559.12 and 2,245.32 is: 3,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.12 : 5,559.12 = 2,245.32 : x
  2. Step 2: Convert to fraction form
    3,705.12/5,559.12 = 2,245.32/x
  3. Step 3: Cross multiply
    3,705.12x = 5,559.12 × 2,245.32
  4. Step 4: Simplify right side
    3,705.12x = 12,482,003.32
  5. Step 5: Solve for x
    x = 12,482,003.32/3,705.12
  6. Step 6: Final answer
    x = 3,368.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.