Home / 2,825.25-3,898.89-1,583.25

Finding the Fourth Proportional to 2,825.25, 3,898.89 and 1,583.25

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Solution

The fourth proportional to 2,825.25, 3,898.89 and 1,583.25 is: 2,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.25 : 3,898.89 = 1,583.25 : x
  2. Step 2: Convert to fraction form
    2,825.25/3,898.89 = 1,583.25/x
  3. Step 3: Cross multiply
    2,825.25x = 3,898.89 × 1,583.25
  4. Step 4: Simplify right side
    2,825.25x = 6,172,917.59
  5. Step 5: Solve for x
    x = 6,172,917.59/2,825.25
  6. Step 6: Final answer
    x = 2,184.91

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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.