Home / 1,894.68-2,616.30-1,398.18

Finding the Fourth Proportional to 1,894.68, 2,616.30 and 1,398.18

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Solution

The fourth proportional to 1,894.68, 2,616.30 and 1,398.18 is: 1,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.68 : 2,616.30 = 1,398.18 : x
  2. Step 2: Convert to fraction form
    1,894.68/2,616.30 = 1,398.18/x
  3. Step 3: Cross multiply
    1,894.68x = 2,616.30 × 1,398.18
  4. Step 4: Simplify right side
    1,894.68x = 3,658,058.33
  5. Step 5: Solve for x
    x = 3,658,058.33/1,894.68
  6. Step 6: Final answer
    x = 1,930.70

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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.