Home / 2,705.04-4,055.40-1,245.22

Finding the Fourth Proportional to 2,705.04, 4,055.40 and 1,245.22

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Solution

The fourth proportional to 2,705.04, 4,055.40 and 1,245.22 is: 1,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.04 : 4,055.40 = 1,245.22 : x
  2. Step 2: Convert to fraction form
    2,705.04/4,055.40 = 1,245.22/x
  3. Step 3: Cross multiply
    2,705.04x = 4,055.40 × 1,245.22
  4. Step 4: Simplify right side
    2,705.04x = 5,049,855.05
  5. Step 5: Solve for x
    x = 5,049,855.05/2,705.04
  6. Step 6: Final answer
    x = 1,866.83

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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.