Home / 1,894.40-2,613.56-1,891.48

Finding the Fourth Proportional to 1,894.40, 2,613.56 and 1,891.48

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Solution

The fourth proportional to 1,894.40, 2,613.56 and 1,891.48 is: 2,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.40 : 2,613.56 = 1,891.48 : x
  2. Step 2: Convert to fraction form
    1,894.40/2,613.56 = 1,891.48/x
  3. Step 3: Cross multiply
    1,894.40x = 2,613.56 × 1,891.48
  4. Step 4: Simplify right side
    1,894.40x = 4,943,494.66
  5. Step 5: Solve for x
    x = 4,943,494.66/1,894.40
  6. Step 6: Final answer
    x = 2,609.53

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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.