Home / 1,975.14-2,965.79-1,887.50

Finding the Fourth Proportional to 1,975.14, 2,965.79 and 1,887.50

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Solution

The fourth proportional to 1,975.14, 2,965.79 and 1,887.50 is: 2,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.14 : 2,965.79 = 1,887.50 : x
  2. Step 2: Convert to fraction form
    1,975.14/2,965.79 = 1,887.50/x
  3. Step 3: Cross multiply
    1,975.14x = 2,965.79 × 1,887.50
  4. Step 4: Simplify right side
    1,975.14x = 5,597,940.76
  5. Step 5: Solve for x
    x = 5,597,940.76/1,975.14
  6. Step 6: Final answer
    x = 2,834.20

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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.