Home / 2,069.04-2,854.94-1,272.11

Finding the Fourth Proportional to 2,069.04, 2,854.94 and 1,272.11

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Solution

The fourth proportional to 2,069.04, 2,854.94 and 1,272.11 is: 1,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.04 : 2,854.94 = 1,272.11 : x
  2. Step 2: Convert to fraction form
    2,069.04/2,854.94 = 1,272.11/x
  3. Step 3: Cross multiply
    2,069.04x = 2,854.94 × 1,272.11
  4. Step 4: Simplify right side
    2,069.04x = 3,631,797.72
  5. Step 5: Solve for x
    x = 3,631,797.72/2,069.04
  6. Step 6: Final answer
    x = 1,755.31

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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.