Home / 1,878.24-2,816.83-1,265.73

Finding the Fourth Proportional to 1,878.24, 2,816.83 and 1,265.73

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Solution

The fourth proportional to 1,878.24, 2,816.83 and 1,265.73 is: 1,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.24 : 2,816.83 = 1,265.73 : x
  2. Step 2: Convert to fraction form
    1,878.24/2,816.83 = 1,265.73/x
  3. Step 3: Cross multiply
    1,878.24x = 2,816.83 × 1,265.73
  4. Step 4: Simplify right side
    1,878.24x = 3,565,330.14
  5. Step 5: Solve for x
    x = 3,565,330.14/1,878.24
  6. Step 6: Final answer
    x = 1,898.23

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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.