Home / 1,519.52-2,100.48-1,355.36

Finding the Fourth Proportional to 1,519.52, 2,100.48 and 1,355.36

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Solution

The fourth proportional to 1,519.52, 2,100.48 and 1,355.36 is: 1,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.52 : 2,100.48 = 1,355.36 : x
  2. Step 2: Convert to fraction form
    1,519.52/2,100.48 = 1,355.36/x
  3. Step 3: Cross multiply
    1,519.52x = 2,100.48 × 1,355.36
  4. Step 4: Simplify right side
    1,519.52x = 2,846,906.57
  5. Step 5: Solve for x
    x = 2,846,906.57/1,519.52
  6. Step 6: Final answer
    x = 1,873.56

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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.