Home / 2,969.22-4,097.77-1,643.34

Finding the Fourth Proportional to 2,969.22, 4,097.77 and 1,643.34

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Solution

The fourth proportional to 2,969.22, 4,097.77 and 1,643.34 is: 2,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.22 : 4,097.77 = 1,643.34 : x
  2. Step 2: Convert to fraction form
    2,969.22/4,097.77 = 1,643.34/x
  3. Step 3: Cross multiply
    2,969.22x = 4,097.77 × 1,643.34
  4. Step 4: Simplify right side
    2,969.22x = 6,734,029.35
  5. Step 5: Solve for x
    x = 6,734,029.35/2,969.22
  6. Step 6: Final answer
    x = 2,267.95

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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.