Home / 2,323.38-3,206.37-1,378.96

Finding the Fourth Proportional to 2,323.38, 3,206.37 and 1,378.96

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Solution

The fourth proportional to 2,323.38, 3,206.37 and 1,378.96 is: 1,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.38 : 3,206.37 = 1,378.96 : x
  2. Step 2: Convert to fraction form
    2,323.38/3,206.37 = 1,378.96/x
  3. Step 3: Cross multiply
    2,323.38x = 3,206.37 × 1,378.96
  4. Step 4: Simplify right side
    2,323.38x = 4,421,455.98
  5. Step 5: Solve for x
    x = 4,421,455.98/2,323.38
  6. Step 6: Final answer
    x = 1,903.03

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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.