Home / 2,848.24-3,928.11-1,853.15

Finding the Fourth Proportional to 2,848.24, 3,928.11 and 1,853.15

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Solution

The fourth proportional to 2,848.24, 3,928.11 and 1,853.15 is: 2,555.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.24 : 3,928.11 = 1,853.15 : x
  2. Step 2: Convert to fraction form
    2,848.24/3,928.11 = 1,853.15/x
  3. Step 3: Cross multiply
    2,848.24x = 3,928.11 × 1,853.15
  4. Step 4: Simplify right side
    2,848.24x = 7,279,377.05
  5. Step 5: Solve for x
    x = 7,279,377.05/2,848.24
  6. Step 6: Final answer
    x = 2,555.75

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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.