Home / 1,825.81-2,520.80-1,628.98

Finding the Fourth Proportional to 1,825.81, 2,520.80 and 1,628.98

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Solution

The fourth proportional to 1,825.81, 2,520.80 and 1,628.98 is: 2,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.81 : 2,520.80 = 1,628.98 : x
  2. Step 2: Convert to fraction form
    1,825.81/2,520.80 = 1,628.98/x
  3. Step 3: Cross multiply
    1,825.81x = 2,520.80 × 1,628.98
  4. Step 4: Simplify right side
    1,825.81x = 4,106,324.64
  5. Step 5: Solve for x
    x = 4,106,324.64/1,825.81
  6. Step 6: Final answer
    x = 2,249.04

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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.