Home / 2,705.62-4,059.96-1,668.16

Finding the Fourth Proportional to 2,705.62, 4,059.96 and 1,668.16

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Solution

The fourth proportional to 2,705.62, 4,059.96 and 1,668.16 is: 2,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.62 : 4,059.96 = 1,668.16 : x
  2. Step 2: Convert to fraction form
    2,705.62/4,059.96 = 1,668.16/x
  3. Step 3: Cross multiply
    2,705.62x = 4,059.96 × 1,668.16
  4. Step 4: Simplify right side
    2,705.62x = 6,772,651.60
  5. Step 5: Solve for x
    x = 6,772,651.60/2,705.62
  6. Step 6: Final answer
    x = 2,503.18

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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.