Home / 2,323.26-3,485.79-1,399.50

Finding the Fourth Proportional to 2,323.26, 3,485.79 and 1,399.50

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Solution

The fourth proportional to 2,323.26, 3,485.79 and 1,399.50 is: 2,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.26 : 3,485.79 = 1,399.50 : x
  2. Step 2: Convert to fraction form
    2,323.26/3,485.79 = 1,399.50/x
  3. Step 3: Cross multiply
    2,323.26x = 3,485.79 × 1,399.50
  4. Step 4: Simplify right side
    2,323.26x = 4,878,363.11
  5. Step 5: Solve for x
    x = 4,878,363.11/2,323.26
  6. Step 6: Final answer
    x = 2,099.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.