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Finding the Fourth Proportional to 1,901.91, 2,852.87 and 927.75

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Solution

The fourth proportional to 1,901.91, 2,852.87 and 927.75 is: 1,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.91 : 2,852.87 = 927.75 : x
  2. Step 2: Convert to fraction form
    1,901.91/2,852.87 = 927.75/x
  3. Step 3: Cross multiply
    1,901.91x = 2,852.87 × 927.75
  4. Step 4: Simplify right side
    1,901.91x = 2,646,750.14
  5. Step 5: Solve for x
    x = 2,646,750.14/1,901.91
  6. Step 6: Final answer
    x = 1,391.63

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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.