Home / 1,975.69-2,968.40-1,487.26

Finding the Fourth Proportional to 1,975.69, 2,968.40 and 1,487.26

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Solution

The fourth proportional to 1,975.69, 2,968.40 and 1,487.26 is: 2,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.69 : 2,968.40 = 1,487.26 : x
  2. Step 2: Convert to fraction form
    1,975.69/2,968.40 = 1,487.26/x
  3. Step 3: Cross multiply
    1,975.69x = 2,968.40 × 1,487.26
  4. Step 4: Simplify right side
    1,975.69x = 4,414,782.58
  5. Step 5: Solve for x
    x = 4,414,782.58/1,975.69
  6. Step 6: Final answer
    x = 2,234.55

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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.