Home / 3,279.63-4,525.76-1,787.52

Finding the Fourth Proportional to 3,279.63, 4,525.76 and 1,787.52

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Solution

The fourth proportional to 3,279.63, 4,525.76 and 1,787.52 is: 2,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.63 : 4,525.76 = 1,787.52 : x
  2. Step 2: Convert to fraction form
    3,279.63/4,525.76 = 1,787.52/x
  3. Step 3: Cross multiply
    3,279.63x = 4,525.76 × 1,787.52
  4. Step 4: Simplify right side
    3,279.63x = 8,089,863.89
  5. Step 5: Solve for x
    x = 8,089,863.89/3,279.63
  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.