Home / 2,209.68-3,050.26-1,370.12

Finding the Fourth Proportional to 2,209.68, 3,050.26 and 1,370.12

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Solution

The fourth proportional to 2,209.68, 3,050.26 and 1,370.12 is: 1,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.68 : 3,050.26 = 1,370.12 : x
  2. Step 2: Convert to fraction form
    2,209.68/3,050.26 = 1,370.12/x
  3. Step 3: Cross multiply
    2,209.68x = 3,050.26 × 1,370.12
  4. Step 4: Simplify right side
    2,209.68x = 4,179,203.55
  5. Step 5: Solve for x
    x = 4,179,203.55/2,209.68
  6. Step 6: Final answer
    x = 1,891.32

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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.