Home / 1,901.39-2,850.57-1,277.30

Finding the Fourth Proportional to 1,901.39, 2,850.57 and 1,277.30

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Solution

The fourth proportional to 1,901.39, 2,850.57 and 1,277.30 is: 1,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.39 : 2,850.57 = 1,277.30 : x
  2. Step 2: Convert to fraction form
    1,901.39/2,850.57 = 1,277.30/x
  3. Step 3: Cross multiply
    1,901.39x = 2,850.57 × 1,277.30
  4. Step 4: Simplify right side
    1,901.39x = 3,641,040.19
  5. Step 5: Solve for x
    x = 3,641,040.19/1,901.39
  6. Step 6: Final answer
    x = 1,914.94

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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.