Home / 1,586.23-2,379.39-1,225.42

Finding the Fourth Proportional to 1,586.23, 2,379.39 and 1,225.42

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Solution

The fourth proportional to 1,586.23, 2,379.39 and 1,225.42 is: 1,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.23 : 2,379.39 = 1,225.42 : x
  2. Step 2: Convert to fraction form
    1,586.23/2,379.39 = 1,225.42/x
  3. Step 3: Cross multiply
    1,586.23x = 2,379.39 × 1,225.42
  4. Step 4: Simplify right side
    1,586.23x = 2,915,752.09
  5. Step 5: Solve for x
    x = 2,915,752.09/1,586.23
  6. Step 6: Final answer
    x = 1,838.16

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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.