Home / 3,048.05-4,206.31-1,650.80

Finding the Fourth Proportional to 3,048.05, 4,206.31 and 1,650.80

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Solution

The fourth proportional to 3,048.05, 4,206.31 and 1,650.80 is: 2,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.05 : 4,206.31 = 1,650.80 : x
  2. Step 2: Convert to fraction form
    3,048.05/4,206.31 = 1,650.80/x
  3. Step 3: Cross multiply
    3,048.05x = 4,206.31 × 1,650.80
  4. Step 4: Simplify right side
    3,048.05x = 6,943,768.56
  5. Step 5: Solve for x
    x = 6,943,768.56/3,048.05
  6. Step 6: Final answer
    x = 2,278.10

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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.