Home / 3,823.88-5,280.10-2,409.84

Finding the Fourth Proportional to 3,823.88, 5,280.10 and 2,409.84

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Solution

The fourth proportional to 3,823.88, 5,280.10 and 2,409.84 is: 3,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.88 : 5,280.10 = 2,409.84 : x
  2. Step 2: Convert to fraction form
    3,823.88/5,280.10 = 2,409.84/x
  3. Step 3: Cross multiply
    3,823.88x = 5,280.10 × 2,409.84
  4. Step 4: Simplify right side
    3,823.88x = 12,724,196.18
  5. Step 5: Solve for x
    x = 12,724,196.18/3,823.88
  6. Step 6: Final answer
    x = 3,327.56

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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.