Home / 2,645.33-3,962.60-1,718.07

Finding the Fourth Proportional to 2,645.33, 3,962.60 and 1,718.07

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Solution

The fourth proportional to 2,645.33, 3,962.60 and 1,718.07 is: 2,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.33 : 3,962.60 = 1,718.07 : x
  2. Step 2: Convert to fraction form
    2,645.33/3,962.60 = 1,718.07/x
  3. Step 3: Cross multiply
    2,645.33x = 3,962.60 × 1,718.07
  4. Step 4: Simplify right side
    2,645.33x = 6,808,028.48
  5. Step 5: Solve for x
    x = 6,808,028.48/2,645.33
  6. Step 6: Final answer
    x = 2,573.61

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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.