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Finding the Fourth Proportional to 1,894.88, 2,613.93 and 1,304.39

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Solution

The fourth proportional to 1,894.88, 2,613.93 and 1,304.39 is: 1,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.88 : 2,613.93 = 1,304.39 : x
  2. Step 2: Convert to fraction form
    1,894.88/2,613.93 = 1,304.39/x
  3. Step 3: Cross multiply
    1,894.88x = 2,613.93 × 1,304.39
  4. Step 4: Simplify right side
    1,894.88x = 3,409,584.15
  5. Step 5: Solve for x
    x = 3,409,584.15/1,894.88
  6. Step 6: Final answer
    x = 1,799.37

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1.5x scale

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.