Home / 4,145.16-5,719.86-2,820.54

Finding the Fourth Proportional to 4,145.16, 5,719.86 and 2,820.54

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Solution

The fourth proportional to 4,145.16, 5,719.86 and 2,820.54 is: 3,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.16 : 5,719.86 = 2,820.54 : x
  2. Step 2: Convert to fraction form
    4,145.16/5,719.86 = 2,820.54/x
  3. Step 3: Cross multiply
    4,145.16x = 5,719.86 × 2,820.54
  4. Step 4: Simplify right side
    4,145.16x = 16,133,093.92
  5. Step 5: Solve for x
    x = 16,133,093.92/4,145.16
  6. Step 6: Final answer
    x = 3,892.03

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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.