Home / 3,048.36-4,206.72-1,651.11

Finding the Fourth Proportional to 3,048.36, 4,206.72 and 1,651.11

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Solution

The fourth proportional to 3,048.36, 4,206.72 and 1,651.11 is: 2,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.36 : 4,206.72 = 1,651.11 : x
  2. Step 2: Convert to fraction form
    3,048.36/4,206.72 = 1,651.11/x
  3. Step 3: Cross multiply
    3,048.36x = 4,206.72 × 1,651.11
  4. Step 4: Simplify right side
    3,048.36x = 6,945,757.46
  5. Step 5: Solve for x
    x = 6,945,757.46/3,048.36
  6. Step 6: Final answer
    x = 2,278.52

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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.