Home / 1,894.14-2,615.56-1,274.94

Finding the Fourth Proportional to 1,894.14, 2,615.56 and 1,274.94

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Solution

The fourth proportional to 1,894.14, 2,615.56 and 1,274.94 is: 1,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.14 : 2,615.56 = 1,274.94 : x
  2. Step 2: Convert to fraction form
    1,894.14/2,615.56 = 1,274.94/x
  3. Step 3: Cross multiply
    1,894.14x = 2,615.56 × 1,274.94
  4. Step 4: Simplify right side
    1,894.14x = 3,334,682.07
  5. Step 5: Solve for x
    x = 3,334,682.07/1,894.14
  6. Step 6: Final answer
    x = 1,760.53

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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.