Home / 2,444.60-3,371.36-1,919.72

Finding the Fourth Proportional to 2,444.60, 3,371.36 and 1,919.72

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Solution

The fourth proportional to 2,444.60, 3,371.36 and 1,919.72 is: 2,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.60 : 3,371.36 = 1,919.72 : x
  2. Step 2: Convert to fraction form
    2,444.60/3,371.36 = 1,919.72/x
  3. Step 3: Cross multiply
    2,444.60x = 3,371.36 × 1,919.72
  4. Step 4: Simplify right side
    2,444.60x = 6,472,067.22
  5. Step 5: Solve for x
    x = 6,472,067.22/2,444.60
  6. Step 6: Final answer
    x = 2,647.50

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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.