Home / 3,070.47-4,605.44-1,900.65

Finding the Fourth Proportional to 3,070.47, 4,605.44 and 1,900.65

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Solution

The fourth proportional to 3,070.47, 4,605.44 and 1,900.65 is: 2,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.47 : 4,605.44 = 1,900.65 : x
  2. Step 2: Convert to fraction form
    3,070.47/4,605.44 = 1,900.65/x
  3. Step 3: Cross multiply
    3,070.47x = 4,605.44 × 1,900.65
  4. Step 4: Simplify right side
    3,070.47x = 8,753,329.54
  5. Step 5: Solve for x
    x = 8,753,329.54/3,070.47
  6. Step 6: Final answer
    x = 2,850.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.