Home / 3,827.54-5,281.83-2,148.91

Finding the Fourth Proportional to 3,827.54, 5,281.83 and 2,148.91

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Solution

The fourth proportional to 3,827.54, 5,281.83 and 2,148.91 is: 2,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.54 : 5,281.83 = 2,148.91 : x
  2. Step 2: Convert to fraction form
    3,827.54/5,281.83 = 2,148.91/x
  3. Step 3: Cross multiply
    3,827.54x = 5,281.83 × 2,148.91
  4. Step 4: Simplify right side
    3,827.54x = 11,350,185.14
  5. Step 5: Solve for x
    x = 11,350,185.14/3,827.54
  6. Step 6: Final answer
    x = 2,965.40

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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.