Home / 3,828.84-5,285.77-3,275.26

Finding the Fourth Proportional to 3,828.84, 5,285.77 and 3,275.26

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Solution

The fourth proportional to 3,828.84, 5,285.77 and 3,275.26 is: 4,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.84 : 5,285.77 = 3,275.26 : x
  2. Step 2: Convert to fraction form
    3,828.84/5,285.77 = 3,275.26/x
  3. Step 3: Cross multiply
    3,828.84x = 5,285.77 × 3,275.26
  4. Step 4: Simplify right side
    3,828.84x = 17,312,249.65
  5. Step 5: Solve for x
    x = 17,312,249.65/3,828.84
  6. Step 6: Final answer
    x = 4,521.54

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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.