Home / 2,150.23-2,968.35-1,619.32

Finding the Fourth Proportional to 2,150.23, 2,968.35 and 1,619.32

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Solution

The fourth proportional to 2,150.23, 2,968.35 and 1,619.32 is: 2,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.23 : 2,968.35 = 1,619.32 : x
  2. Step 2: Convert to fraction form
    2,150.23/2,968.35 = 1,619.32/x
  3. Step 3: Cross multiply
    2,150.23x = 2,968.35 × 1,619.32
  4. Step 4: Simplify right side
    2,150.23x = 4,806,708.52
  5. Step 5: Solve for x
    x = 4,806,708.52/2,150.23
  6. Step 6: Final answer
    x = 2,235.44

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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.