Home / 3,260.12-4,889.78-951.60

Finding the Fourth Proportional to 3,260.12, 4,889.78 and 951.60

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Solution

The fourth proportional to 3,260.12, 4,889.78 and 951.60 is: 1,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.12 : 4,889.78 = 951.60 : x
  2. Step 2: Convert to fraction form
    3,260.12/4,889.78 = 951.60/x
  3. Step 3: Cross multiply
    3,260.12x = 4,889.78 × 951.60
  4. Step 4: Simplify right side
    3,260.12x = 4,653,114.65
  5. Step 5: Solve for x
    x = 4,653,114.65/3,260.12
  6. Step 6: Final answer
    x = 1,427.28

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1.5x scale

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.