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Finding the Fourth Proportional to 1,900.36, 2,846.94 and 925.48

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Solution

The fourth proportional to 1,900.36, 2,846.94 and 925.48 is: 1,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.36 : 2,846.94 = 925.48 : x
  2. Step 2: Convert to fraction form
    1,900.36/2,846.94 = 925.48/x
  3. Step 3: Cross multiply
    1,900.36x = 2,846.94 × 925.48
  4. Step 4: Simplify right side
    1,900.36x = 2,634,786.03
  5. Step 5: Solve for x
    x = 2,634,786.03/1,900.36
  6. Step 6: Final answer
    x = 1,386.47

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1.5x scale

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.