Home / 1,894.16-2,839.62-1,243.46

Finding the Fourth Proportional to 1,894.16, 2,839.62 and 1,243.46

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Solution

The fourth proportional to 1,894.16, 2,839.62 and 1,243.46 is: 1,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.16 : 2,839.62 = 1,243.46 : x
  2. Step 2: Convert to fraction form
    1,894.16/2,839.62 = 1,243.46/x
  3. Step 3: Cross multiply
    1,894.16x = 2,839.62 × 1,243.46
  4. Step 4: Simplify right side
    1,894.16x = 3,530,953.89
  5. Step 5: Solve for x
    x = 3,530,953.89/1,894.16
  6. Step 6: Final answer
    x = 1,864.13

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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.