Home / 2,921.54-4,029.44-1,873.70

Finding the Fourth Proportional to 2,921.54, 4,029.44 and 1,873.70

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Solution

The fourth proportional to 2,921.54, 4,029.44 and 1,873.70 is: 2,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.54 : 4,029.44 = 1,873.70 : x
  2. Step 2: Convert to fraction form
    2,921.54/4,029.44 = 1,873.70/x
  3. Step 3: Cross multiply
    2,921.54x = 4,029.44 × 1,873.70
  4. Step 4: Simplify right side
    2,921.54x = 7,549,961.73
  5. Step 5: Solve for x
    x = 7,549,961.73/2,921.54
  6. Step 6: Final answer
    x = 2,584.24

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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.