Home / 4,234.45-5,844.78-2,820.19

Finding the Fourth Proportional to 4,234.45, 5,844.78 and 2,820.19

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Solution

The fourth proportional to 4,234.45, 5,844.78 and 2,820.19 is: 3,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.45 : 5,844.78 = 2,820.19 : x
  2. Step 2: Convert to fraction form
    4,234.45/5,844.78 = 2,820.19/x
  3. Step 3: Cross multiply
    4,234.45x = 5,844.78 × 2,820.19
  4. Step 4: Simplify right side
    4,234.45x = 16,483,390.11
  5. Step 5: Solve for x
    x = 16,483,390.11/4,234.45
  6. Step 6: Final answer
    x = 3,892.69

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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.