Home / 1,935.44-2,905.62-1,011.62

Finding the Fourth Proportional to 1,935.44, 2,905.62 and 1,011.62

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Solution

The fourth proportional to 1,935.44, 2,905.62 and 1,011.62 is: 1,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.44 : 2,905.62 = 1,011.62 : x
  2. Step 2: Convert to fraction form
    1,935.44/2,905.62 = 1,011.62/x
  3. Step 3: Cross multiply
    1,935.44x = 2,905.62 × 1,011.62
  4. Step 4: Simplify right side
    1,935.44x = 2,939,383.30
  5. Step 5: Solve for x
    x = 2,939,383.30/1,935.44
  6. Step 6: Final answer
    x = 1,518.72

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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.