Home / 1,586.36-2,379.54-926.62

Finding the Fourth Proportional to 1,586.36, 2,379.54 and 926.62

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Solution

The fourth proportional to 1,586.36, 2,379.54 and 926.62 is: 1,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.36 : 2,379.54 = 926.62 : x
  2. Step 2: Convert to fraction form
    1,586.36/2,379.54 = 926.62/x
  3. Step 3: Cross multiply
    1,586.36x = 2,379.54 × 926.62
  4. Step 4: Simplify right side
    1,586.36x = 2,204,929.35
  5. Step 5: Solve for x
    x = 2,204,929.35/1,586.36
  6. Step 6: Final answer
    x = 1,389.93

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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.