Home / 3,820.44-5,273.76-2,328.78

Finding the Fourth Proportional to 3,820.44, 5,273.76 and 2,328.78

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Solution

The fourth proportional to 3,820.44, 5,273.76 and 2,328.78 is: 3,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.44 : 5,273.76 = 2,328.78 : x
  2. Step 2: Convert to fraction form
    3,820.44/5,273.76 = 2,328.78/x
  3. Step 3: Cross multiply
    3,820.44x = 5,273.76 × 2,328.78
  4. Step 4: Simplify right side
    3,820.44x = 12,281,426.81
  5. Step 5: Solve for x
    x = 12,281,426.81/3,820.44
  6. Step 6: Final answer
    x = 3,214.66

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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.