Home / 3,069.26-4,235.52-1,810.38

Finding the Fourth Proportional to 3,069.26, 4,235.52 and 1,810.38

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Solution

The fourth proportional to 3,069.26, 4,235.52 and 1,810.38 is: 2,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.26 : 4,235.52 = 1,810.38 : x
  2. Step 2: Convert to fraction form
    3,069.26/4,235.52 = 1,810.38/x
  3. Step 3: Cross multiply
    3,069.26x = 4,235.52 × 1,810.38
  4. Step 4: Simplify right side
    3,069.26x = 7,667,900.70
  5. Step 5: Solve for x
    x = 7,667,900.70/3,069.26
  6. Step 6: Final answer
    x = 2,498.29

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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.