Home / 2,323.08-3,205.72-1,378.97

Finding the Fourth Proportional to 2,323.08, 3,205.72 and 1,378.97

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Solution

The fourth proportional to 2,323.08, 3,205.72 and 1,378.97 is: 1,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.08 : 3,205.72 = 1,378.97 : x
  2. Step 2: Convert to fraction form
    2,323.08/3,205.72 = 1,378.97/x
  3. Step 3: Cross multiply
    2,323.08x = 3,205.72 × 1,378.97
  4. Step 4: Simplify right side
    2,323.08x = 4,420,591.71
  5. Step 5: Solve for x
    x = 4,420,591.71/2,323.08
  6. Step 6: Final answer
    x = 1,902.90

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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.