Home / 2,208.90-3,048.53-1,324.92

Finding the Fourth Proportional to 2,208.90, 3,048.53 and 1,324.92

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Solution

The fourth proportional to 2,208.90, 3,048.53 and 1,324.92 is: 1,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.90 : 3,048.53 = 1,324.92 : x
  2. Step 2: Convert to fraction form
    2,208.90/3,048.53 = 1,324.92/x
  3. Step 3: Cross multiply
    2,208.90x = 3,048.53 × 1,324.92
  4. Step 4: Simplify right side
    2,208.90x = 4,039,051.74
  5. Step 5: Solve for x
    x = 4,039,051.74/2,208.90
  6. Step 6: Final answer
    x = 1,828.54

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Double scale
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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.