Home / 3,828.92-5,281.08-2,484.86

Finding the Fourth Proportional to 3,828.92, 5,281.08 and 2,484.86

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Solution

The fourth proportional to 3,828.92, 5,281.08 and 2,484.86 is: 3,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.92 : 5,281.08 = 2,484.86 : x
  2. Step 2: Convert to fraction form
    3,828.92/5,281.08 = 2,484.86/x
  3. Step 3: Cross multiply
    3,828.92x = 5,281.08 × 2,484.86
  4. Step 4: Simplify right side
    3,828.92x = 13,122,744.45
  5. Step 5: Solve for x
    x = 13,122,744.45/3,828.92
  6. Step 6: Final answer
    x = 3,427.27

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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.