Home / 2,825.06-3,898.68-1,566.20

Finding the Fourth Proportional to 2,825.06, 3,898.68 and 1,566.20

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Solution

The fourth proportional to 2,825.06, 3,898.68 and 1,566.20 is: 2,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.06 : 3,898.68 = 1,566.20 : x
  2. Step 2: Convert to fraction form
    2,825.06/3,898.68 = 1,566.20/x
  3. Step 3: Cross multiply
    2,825.06x = 3,898.68 × 1,566.20
  4. Step 4: Simplify right side
    2,825.06x = 6,106,112.62
  5. Step 5: Solve for x
    x = 6,106,112.62/2,825.06
  6. Step 6: Final answer
    x = 2,161.41

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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.