Home / 1,904.88-2,629.20-1,525.28

Finding the Fourth Proportional to 1,904.88, 2,629.20 and 1,525.28

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Solution

The fourth proportional to 1,904.88, 2,629.20 and 1,525.28 is: 2,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.88 : 2,629.20 = 1,525.28 : x
  2. Step 2: Convert to fraction form
    1,904.88/2,629.20 = 1,525.28/x
  3. Step 3: Cross multiply
    1,904.88x = 2,629.20 × 1,525.28
  4. Step 4: Simplify right side
    1,904.88x = 4,010,266.18
  5. Step 5: Solve for x
    x = 4,010,266.18/1,904.88
  6. Step 6: Final answer
    x = 2,105.26

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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.