Home / 2,208.57-3,048.09-1,277.07

Finding the Fourth Proportional to 2,208.57, 3,048.09 and 1,277.07

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Solution

The fourth proportional to 2,208.57, 3,048.09 and 1,277.07 is: 1,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.57 : 3,048.09 = 1,277.07 : x
  2. Step 2: Convert to fraction form
    2,208.57/3,048.09 = 1,277.07/x
  3. Step 3: Cross multiply
    2,208.57x = 3,048.09 × 1,277.07
  4. Step 4: Simplify right side
    2,208.57x = 3,892,624.30
  5. Step 5: Solve for x
    x = 3,892,624.30/2,208.57
  6. Step 6: Final answer
    x = 1,762.51

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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.