Home / 3,260.47-4,889.70-1,180.23

Finding the Fourth Proportional to 3,260.47, 4,889.70 and 1,180.23

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Solution

The fourth proportional to 3,260.47, 4,889.70 and 1,180.23 is: 1,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.47 : 4,889.70 = 1,180.23 : x
  2. Step 2: Convert to fraction form
    3,260.47/4,889.70 = 1,180.23/x
  3. Step 3: Cross multiply
    3,260.47x = 4,889.70 × 1,180.23
  4. Step 4: Simplify right side
    3,260.47x = 5,770,970.63
  5. Step 5: Solve for x
    x = 5,770,970.63/3,260.47
  6. Step 6: Final answer
    x = 1,769.98

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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.