Home / 1,825.20-2,517.93-1,615.59

Finding the Fourth Proportional to 1,825.20, 2,517.93 and 1,615.59

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Solution

The fourth proportional to 1,825.20, 2,517.93 and 1,615.59 is: 2,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.20 : 2,517.93 = 1,615.59 : x
  2. Step 2: Convert to fraction form
    1,825.20/2,517.93 = 1,615.59/x
  3. Step 3: Cross multiply
    1,825.20x = 2,517.93 × 1,615.59
  4. Step 4: Simplify right side
    1,825.20x = 4,067,942.53
  5. Step 5: Solve for x
    x = 4,067,942.53/1,825.20
  6. Step 6: Final answer
    x = 2,228.77

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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.