Home / 2,069.36-2,855.64-1,480.88

Finding the Fourth Proportional to 2,069.36, 2,855.64 and 1,480.88

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Solution

The fourth proportional to 2,069.36, 2,855.64 and 1,480.88 is: 2,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.36 : 2,855.64 = 1,480.88 : x
  2. Step 2: Convert to fraction form
    2,069.36/2,855.64 = 1,480.88/x
  3. Step 3: Cross multiply
    2,069.36x = 2,855.64 × 1,480.88
  4. Step 4: Simplify right side
    2,069.36x = 4,228,860.16
  5. Step 5: Solve for x
    x = 4,228,860.16/2,069.36
  6. Step 6: Final answer
    x = 2,043.56

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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.