Home / 2,069.24-2,855.66-1,283.13

Finding the Fourth Proportional to 2,069.24, 2,855.66 and 1,283.13

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Solution

The fourth proportional to 2,069.24, 2,855.66 and 1,283.13 is: 1,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.24 : 2,855.66 = 1,283.13 : x
  2. Step 2: Convert to fraction form
    2,069.24/2,855.66 = 1,283.13/x
  3. Step 3: Cross multiply
    2,069.24x = 2,855.66 × 1,283.13
  4. Step 4: Simplify right side
    2,069.24x = 3,664,176.60
  5. Step 5: Solve for x
    x = 3,664,176.60/2,069.24
  6. Step 6: Final answer
    x = 1,770.79

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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.