Home / 3,279.60-4,525.81-1,787.48

Finding the Fourth Proportional to 3,279.60, 4,525.81 and 1,787.48

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Solution

The fourth proportional to 3,279.60, 4,525.81 and 1,787.48 is: 2,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.60 : 4,525.81 = 1,787.48 : x
  2. Step 2: Convert to fraction form
    3,279.60/4,525.81 = 1,787.48/x
  3. Step 3: Cross multiply
    3,279.60x = 4,525.81 × 1,787.48
  4. Step 4: Simplify right side
    3,279.60x = 8,089,784.73
  5. Step 5: Solve for x
    x = 8,089,784.73/3,279.60
  6. Step 6: Final answer
    x = 2,466.70

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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.