Home / 1,230.60-1,843.67-1,036.81

Finding the Fourth Proportional to 1,230.60, 1,843.67 and 1,036.81

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Solution

The fourth proportional to 1,230.60, 1,843.67 and 1,036.81 is: 1,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.60 : 1,843.67 = 1,036.81 : x
  2. Step 2: Convert to fraction form
    1,230.60/1,843.67 = 1,036.81/x
  3. Step 3: Cross multiply
    1,230.60x = 1,843.67 × 1,036.81
  4. Step 4: Simplify right side
    1,230.60x = 1,911,533.48
  5. Step 5: Solve for x
    x = 1,911,533.48/1,230.60
  6. Step 6: Final answer
    x = 1,553.33

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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.