Home / 2,069.88-2,857.08-1,650.96

Finding the Fourth Proportional to 2,069.88, 2,857.08 and 1,650.96

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Solution

The fourth proportional to 2,069.88, 2,857.08 and 1,650.96 is: 2,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.88 : 2,857.08 = 1,650.96 : x
  2. Step 2: Convert to fraction form
    2,069.88/2,857.08 = 1,650.96/x
  3. Step 3: Cross multiply
    2,069.88x = 2,857.08 × 1,650.96
  4. Step 4: Simplify right side
    2,069.88x = 4,716,924.80
  5. Step 5: Solve for x
    x = 4,716,924.80/2,069.88
  6. Step 6: Final answer
    x = 2,278.84

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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.