Home / 2,820.63-4,222.28-2,541.79

Finding the Fourth Proportional to 2,820.63, 4,222.28 and 2,541.79

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Solution

The fourth proportional to 2,820.63, 4,222.28 and 2,541.79 is: 3,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.63 : 4,222.28 = 2,541.79 : x
  2. Step 2: Convert to fraction form
    2,820.63/4,222.28 = 2,541.79/x
  3. Step 3: Cross multiply
    2,820.63x = 4,222.28 × 2,541.79
  4. Step 4: Simplify right side
    2,820.63x = 10,732,149.08
  5. Step 5: Solve for x
    x = 10,732,149.08/2,820.63
  6. Step 6: Final answer
    x = 3,804.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.