Home / 1,941.49-2,678.70-1,196.02

Finding the Fourth Proportional to 1,941.49, 2,678.70 and 1,196.02

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Solution

The fourth proportional to 1,941.49, 2,678.70 and 1,196.02 is: 1,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.49 : 2,678.70 = 1,196.02 : x
  2. Step 2: Convert to fraction form
    1,941.49/2,678.70 = 1,196.02/x
  3. Step 3: Cross multiply
    1,941.49x = 2,678.70 × 1,196.02
  4. Step 4: Simplify right side
    1,941.49x = 3,203,778.77
  5. Step 5: Solve for x
    x = 3,203,778.77/1,941.49
  6. Step 6: Final answer
    x = 1,650.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.