Home / 2,680.54-4,021.50-1,036.64

Finding the Fourth Proportional to 2,680.54, 4,021.50 and 1,036.64

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Solution

The fourth proportional to 2,680.54, 4,021.50 and 1,036.64 is: 1,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.54 : 4,021.50 = 1,036.64 : x
  2. Step 2: Convert to fraction form
    2,680.54/4,021.50 = 1,036.64/x
  3. Step 3: Cross multiply
    2,680.54x = 4,021.50 × 1,036.64
  4. Step 4: Simplify right side
    2,680.54x = 4,168,847.76
  5. Step 5: Solve for x
    x = 4,168,847.76/2,680.54
  6. Step 6: Final answer
    x = 1,555.23

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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.