Home / 1,860.98-2,789.16-1,629.32

Finding the Fourth Proportional to 1,860.98, 2,789.16 and 1,629.32

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Solution

The fourth proportional to 1,860.98, 2,789.16 and 1,629.32 is: 2,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.98 : 2,789.16 = 1,629.32 : x
  2. Step 2: Convert to fraction form
    1,860.98/2,789.16 = 1,629.32/x
  3. Step 3: Cross multiply
    1,860.98x = 2,789.16 × 1,629.32
  4. Step 4: Simplify right side
    1,860.98x = 4,544,434.17
  5. Step 5: Solve for x
    x = 4,544,434.17/1,860.98
  6. Step 6: Final answer
    x = 2,441.96

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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.