Home / 2,849.52-3,930.93-1,855.38

Finding the Fourth Proportional to 2,849.52, 3,930.93 and 1,855.38

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Solution

The fourth proportional to 2,849.52, 3,930.93 and 1,855.38 is: 2,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.52 : 3,930.93 = 1,855.38 : x
  2. Step 2: Convert to fraction form
    2,849.52/3,930.93 = 1,855.38/x
  3. Step 3: Cross multiply
    2,849.52x = 3,930.93 × 1,855.38
  4. Step 4: Simplify right side
    2,849.52x = 7,293,368.90
  5. Step 5: Solve for x
    x = 7,293,368.90/2,849.52
  6. Step 6: Final answer
    x = 2,559.51

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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.