Home / 1,764.37-2,640.75-1,301.93

Finding the Fourth Proportional to 1,764.37, 2,640.75 and 1,301.93

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Solution

The fourth proportional to 1,764.37, 2,640.75 and 1,301.93 is: 1,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.37 : 2,640.75 = 1,301.93 : x
  2. Step 2: Convert to fraction form
    1,764.37/2,640.75 = 1,301.93/x
  3. Step 3: Cross multiply
    1,764.37x = 2,640.75 × 1,301.93
  4. Step 4: Simplify right side
    1,764.37x = 3,438,071.65
  5. Step 5: Solve for x
    x = 3,438,071.65/1,764.37
  6. Step 6: Final answer
    x = 1,948.61

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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.