Home / 1,425.06-1,975.59-1,350.07

Finding the Fourth Proportional to 1,425.06, 1,975.59 and 1,350.07

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Solution

The fourth proportional to 1,425.06, 1,975.59 and 1,350.07 is: 1,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.06 : 1,975.59 = 1,350.07 : x
  2. Step 2: Convert to fraction form
    1,425.06/1,975.59 = 1,350.07/x
  3. Step 3: Cross multiply
    1,425.06x = 1,975.59 × 1,350.07
  4. Step 4: Simplify right side
    1,425.06x = 2,667,179.85
  5. Step 5: Solve for x
    x = 2,667,179.85/1,425.06
  6. Step 6: Final answer
    x = 1,871.63

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.