Home / 1,299.08-1,946.00-1,230.93

Finding the Fourth Proportional to 1,299.08, 1,946.00 and 1,230.93

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Solution

The fourth proportional to 1,299.08, 1,946.00 and 1,230.93 is: 1,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.08 : 1,946.00 = 1,230.93 : x
  2. Step 2: Convert to fraction form
    1,299.08/1,946.00 = 1,230.93/x
  3. Step 3: Cross multiply
    1,299.08x = 1,946.00 × 1,230.93
  4. Step 4: Simplify right side
    1,299.08x = 2,395,383.63
  5. Step 5: Solve for x
    x = 2,395,383.63/1,299.08
  6. Step 6: Final answer
    x = 1,843.91

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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.