Home / 3,235.12-4,464.95-1,976.90

Finding the Fourth Proportional to 3,235.12, 4,464.95 and 1,976.90

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Solution

The fourth proportional to 3,235.12, 4,464.95 and 1,976.90 is: 2,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.12 : 4,464.95 = 1,976.90 : x
  2. Step 2: Convert to fraction form
    3,235.12/4,464.95 = 1,976.90/x
  3. Step 3: Cross multiply
    3,235.12x = 4,464.95 × 1,976.90
  4. Step 4: Simplify right side
    3,235.12x = 8,826,749.77
  5. Step 5: Solve for x
    x = 8,826,749.77/3,235.12
  6. Step 6: Final answer
    x = 2,728.41

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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.