Home / 3,378.48-5,067.52-1,298.40

Finding the Fourth Proportional to 3,378.48, 5,067.52 and 1,298.40

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Solution

The fourth proportional to 3,378.48, 5,067.52 and 1,298.40 is: 1,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.48 : 5,067.52 = 1,298.40 : x
  2. Step 2: Convert to fraction form
    3,378.48/5,067.52 = 1,298.40/x
  3. Step 3: Cross multiply
    3,378.48x = 5,067.52 × 1,298.40
  4. Step 4: Simplify right side
    3,378.48x = 6,579,667.97
  5. Step 5: Solve for x
    x = 6,579,667.97/3,378.48
  6. Step 6: Final answer
    x = 1,947.52

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1.5x scale

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.