Home / 3,827.47-5,281.82-2,148.84

Finding the Fourth Proportional to 3,827.47, 5,281.82 and 2,148.84

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Solution

The fourth proportional to 3,827.47, 5,281.82 and 2,148.84 is: 2,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.47 : 5,281.82 = 2,148.84 : x
  2. Step 2: Convert to fraction form
    3,827.47/5,281.82 = 2,148.84/x
  3. Step 3: Cross multiply
    3,827.47x = 5,281.82 × 2,148.84
  4. Step 4: Simplify right side
    3,827.47x = 11,349,786.09
  5. Step 5: Solve for x
    x = 11,349,786.09/3,827.47
  6. Step 6: Final answer
    x = 2,965.35

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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.