Home / 1,295.25-1,941.84-1,207.09

Finding the Fourth Proportional to 1,295.25, 1,941.84 and 1,207.09

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Solution

The fourth proportional to 1,295.25, 1,941.84 and 1,207.09 is: 1,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.25 : 1,941.84 = 1,207.09 : x
  2. Step 2: Convert to fraction form
    1,295.25/1,941.84 = 1,207.09/x
  3. Step 3: Cross multiply
    1,295.25x = 1,941.84 × 1,207.09
  4. Step 4: Simplify right side
    1,295.25x = 2,343,975.65
  5. Step 5: Solve for x
    x = 2,343,975.65/1,295.25
  6. Step 6: Final answer
    x = 1,809.67

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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.