Home / 2,069.11-2,855.37-1,124.92

Finding the Fourth Proportional to 2,069.11, 2,855.37 and 1,124.92

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Solution

The fourth proportional to 2,069.11, 2,855.37 and 1,124.92 is: 1,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.11 : 2,855.37 = 1,124.92 : x
  2. Step 2: Convert to fraction form
    2,069.11/2,855.37 = 1,124.92/x
  3. Step 3: Cross multiply
    2,069.11x = 2,855.37 × 1,124.92
  4. Step 4: Simplify right side
    2,069.11x = 3,212,062.82
  5. Step 5: Solve for x
    x = 3,212,062.82/2,069.11
  6. Step 6: Final answer
    x = 1,552.39

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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.