Home / 1,264.48-1,894.84-1,194.28

Finding the Fourth Proportional to 1,264.48, 1,894.84 and 1,194.28

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Solution

The fourth proportional to 1,264.48, 1,894.84 and 1,194.28 is: 1,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.48 : 1,894.84 = 1,194.28 : x
  2. Step 2: Convert to fraction form
    1,264.48/1,894.84 = 1,194.28/x
  3. Step 3: Cross multiply
    1,264.48x = 1,894.84 × 1,194.28
  4. Step 4: Simplify right side
    1,264.48x = 2,262,969.52
  5. Step 5: Solve for x
    x = 2,262,969.52/1,264.48
  6. Step 6: Final answer
    x = 1,789.64

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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.