Home / 2,076.65-2,865.60-1,180.38

Finding the Fourth Proportional to 2,076.65, 2,865.60 and 1,180.38

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Solution

The fourth proportional to 2,076.65, 2,865.60 and 1,180.38 is: 1,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.65 : 2,865.60 = 1,180.38 : x
  2. Step 2: Convert to fraction form
    2,076.65/2,865.60 = 1,180.38/x
  3. Step 3: Cross multiply
    2,076.65x = 2,865.60 × 1,180.38
  4. Step 4: Simplify right side
    2,076.65x = 3,382,496.93
  5. Step 5: Solve for x
    x = 3,382,496.93/2,076.65
  6. Step 6: Final answer
    x = 1,628.82

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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.