Home / 1,941.40-2,678.16-1,232.02

Finding the Fourth Proportional to 1,941.40, 2,678.16 and 1,232.02

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Solution

The fourth proportional to 1,941.40, 2,678.16 and 1,232.02 is: 1,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.40 : 2,678.16 = 1,232.02 : x
  2. Step 2: Convert to fraction form
    1,941.40/2,678.16 = 1,232.02/x
  3. Step 3: Cross multiply
    1,941.40x = 2,678.16 × 1,232.02
  4. Step 4: Simplify right side
    1,941.40x = 3,299,546.68
  5. Step 5: Solve for x
    x = 3,299,546.68/1,941.40
  6. Step 6: Final answer
    x = 1,699.57

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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.