Home / 1,901.49-2,853.14-1,317.39

Finding the Fourth Proportional to 1,901.49, 2,853.14 and 1,317.39

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Solution

The fourth proportional to 1,901.49, 2,853.14 and 1,317.39 is: 1,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.49 : 2,853.14 = 1,317.39 : x
  2. Step 2: Convert to fraction form
    1,901.49/2,853.14 = 1,317.39/x
  3. Step 3: Cross multiply
    1,901.49x = 2,853.14 × 1,317.39
  4. Step 4: Simplify right side
    1,901.49x = 3,758,698.10
  5. Step 5: Solve for x
    x = 3,758,698.10/1,901.49
  6. Step 6: Final answer
    x = 1,976.71

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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.