Home / 2,708.57-3,735.48-1,764

Finding the Fourth Proportional to 2,708.57, 3,735.48 and 1,764

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Solution

The fourth proportional to 2,708.57, 3,735.48 and 1,764 is: 2,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.57 : 3,735.48 = 1,764 : x
  2. Step 2: Convert to fraction form
    2,708.57/3,735.48 = 1,764/x
  3. Step 3: Cross multiply
    2,708.57x = 3,735.48 × 1,764
  4. Step 4: Simplify right side
    2,708.57x = 6,589,386.72
  5. Step 5: Solve for x
    x = 6,589,386.72/2,708.57
  6. Step 6: Final answer
    x = 2,432.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.