Home / 1,864.14-2,794.38-890.93

Finding the Fourth Proportional to 1,864.14, 2,794.38 and 890.93

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Solution

The fourth proportional to 1,864.14, 2,794.38 and 890.93 is: 1,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.14 : 2,794.38 = 890.93 : x
  2. Step 2: Convert to fraction form
    1,864.14/2,794.38 = 890.93/x
  3. Step 3: Cross multiply
    1,864.14x = 2,794.38 × 890.93
  4. Step 4: Simplify right side
    1,864.14x = 2,489,596.97
  5. Step 5: Solve for x
    x = 2,489,596.97/1,864.14
  6. Step 6: Final answer
    x = 1,335.52

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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.