Home / 3,102.72-4,629.90-2,826.72

Finding the Fourth Proportional to 3,102.72, 4,629.90 and 2,826.72

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Solution

The fourth proportional to 3,102.72, 4,629.90 and 2,826.72 is: 4,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.72 : 4,629.90 = 2,826.72 : x
  2. Step 2: Convert to fraction form
    3,102.72/4,629.90 = 2,826.72/x
  3. Step 3: Cross multiply
    3,102.72x = 4,629.90 × 2,826.72
  4. Step 4: Simplify right side
    3,102.72x = 13,087,430.93
  5. Step 5: Solve for x
    x = 13,087,430.93/3,102.72
  6. Step 6: Final answer
    x = 4,218.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.