Home / 1,895.99-2,842.46-1,271.94

Finding the Fourth Proportional to 1,895.99, 2,842.46 and 1,271.94

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Solution

The fourth proportional to 1,895.99, 2,842.46 and 1,271.94 is: 1,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.99 : 2,842.46 = 1,271.94 : x
  2. Step 2: Convert to fraction form
    1,895.99/2,842.46 = 1,271.94/x
  3. Step 3: Cross multiply
    1,895.99x = 2,842.46 × 1,271.94
  4. Step 4: Simplify right side
    1,895.99x = 3,615,441.75
  5. Step 5: Solve for x
    x = 3,615,441.75/1,895.99
  6. Step 6: Final answer
    x = 1,906.89

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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.