Home / 2,385.44-3,291.92-1,323.23

Finding the Fourth Proportional to 2,385.44, 3,291.92 and 1,323.23

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Solution

The fourth proportional to 2,385.44, 3,291.92 and 1,323.23 is: 1,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.44 : 3,291.92 = 1,323.23 : x
  2. Step 2: Convert to fraction form
    2,385.44/3,291.92 = 1,323.23/x
  3. Step 3: Cross multiply
    2,385.44x = 3,291.92 × 1,323.23
  4. Step 4: Simplify right side
    2,385.44x = 4,355,944.23
  5. Step 5: Solve for x
    x = 4,355,944.23/2,385.44
  6. Step 6: Final answer
    x = 1,826.05

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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.