Home / 1,319.07-1,975.70-1,141.27

Finding the Fourth Proportional to 1,319.07, 1,975.70 and 1,141.27

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Solution

The fourth proportional to 1,319.07, 1,975.70 and 1,141.27 is: 1,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319.07 : 1,975.70 = 1,141.27 : x
  2. Step 2: Convert to fraction form
    1,319.07/1,975.70 = 1,141.27/x
  3. Step 3: Cross multiply
    1,319.07x = 1,975.70 × 1,141.27
  4. Step 4: Simplify right side
    1,319.07x = 2,254,801.43
  5. Step 5: Solve for x
    x = 2,254,801.43/1,319.07
  6. Step 6: Final answer
    x = 1,709.39

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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.