Home / 1,904.12-2,629.48-1,800.58

Finding the Fourth Proportional to 1,904.12, 2,629.48 and 1,800.58

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Solution

The fourth proportional to 1,904.12, 2,629.48 and 1,800.58 is: 2,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.12 : 2,629.48 = 1,800.58 : x
  2. Step 2: Convert to fraction form
    1,904.12/2,629.48 = 1,800.58/x
  3. Step 3: Cross multiply
    1,904.12x = 2,629.48 × 1,800.58
  4. Step 4: Simplify right side
    1,904.12x = 4,734,589.10
  5. Step 5: Solve for x
    x = 4,734,589.10/1,904.12
  6. Step 6: Final answer
    x = 2,486.50

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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.