Home / 3,823.61-5,276.63-2,230.21

Finding the Fourth Proportional to 3,823.61, 5,276.63 and 2,230.21

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Solution

The fourth proportional to 3,823.61, 5,276.63 and 2,230.21 is: 3,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.61 : 5,276.63 = 2,230.21 : x
  2. Step 2: Convert to fraction form
    3,823.61/5,276.63 = 2,230.21/x
  3. Step 3: Cross multiply
    3,823.61x = 5,276.63 × 2,230.21
  4. Step 4: Simplify right side
    3,823.61x = 11,767,992.99
  5. Step 5: Solve for x
    x = 11,767,992.99/3,823.61
  6. Step 6: Final answer
    x = 3,077.72

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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.