Home / 2,383.20-3,290.52-1,544.40

Finding the Fourth Proportional to 2,383.20, 3,290.52 and 1,544.40

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Solution

The fourth proportional to 2,383.20, 3,290.52 and 1,544.40 is: 2,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.20 : 3,290.52 = 1,544.40 : x
  2. Step 2: Convert to fraction form
    2,383.20/3,290.52 = 1,544.40/x
  3. Step 3: Cross multiply
    2,383.20x = 3,290.52 × 1,544.40
  4. Step 4: Simplify right side
    2,383.20x = 5,081,879.09
  5. Step 5: Solve for x
    x = 5,081,879.09/2,383.20
  6. Step 6: Final answer
    x = 2,132.38

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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.