Home / 3,821.02-5,272.98-2,328.62

Finding the Fourth Proportional to 3,821.02, 5,272.98 and 2,328.62

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Solution

The fourth proportional to 3,821.02, 5,272.98 and 2,328.62 is: 3,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.02 : 5,272.98 = 2,328.62 : x
  2. Step 2: Convert to fraction form
    3,821.02/5,272.98 = 2,328.62/x
  3. Step 3: Cross multiply
    3,821.02x = 5,272.98 × 2,328.62
  4. Step 4: Simplify right side
    3,821.02x = 12,278,766.69
  5. Step 5: Solve for x
    x = 12,278,766.69/3,821.02
  6. Step 6: Final answer
    x = 3,213.48

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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.