Home / 1,336.41-1,991.30-1,190.93

Finding the Fourth Proportional to 1,336.41, 1,991.30 and 1,190.93

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Solution

The fourth proportional to 1,336.41, 1,991.30 and 1,190.93 is: 1,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.41 : 1,991.30 = 1,190.93 : x
  2. Step 2: Convert to fraction form
    1,336.41/1,991.30 = 1,190.93/x
  3. Step 3: Cross multiply
    1,336.41x = 1,991.30 × 1,190.93
  4. Step 4: Simplify right side
    1,336.41x = 2,371,483.00
  5. Step 5: Solve for x
    x = 2,371,483.00/1,336.41
  6. Step 6: Final answer
    x = 1,774.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.