Home / 3,279.51-4,525.85-1,787.47

Finding the Fourth Proportional to 3,279.51, 4,525.85 and 1,787.47

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Solution

The fourth proportional to 3,279.51, 4,525.85 and 1,787.47 is: 2,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.51 : 4,525.85 = 1,787.47 : x
  2. Step 2: Convert to fraction form
    3,279.51/4,525.85 = 1,787.47/x
  3. Step 3: Cross multiply
    3,279.51x = 4,525.85 × 1,787.47
  4. Step 4: Simplify right side
    3,279.51x = 8,089,814.25
  5. Step 5: Solve for x
    x = 8,089,814.25/3,279.51
  6. Step 6: Final answer
    x = 2,466.78

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1.5x scale

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.