Home / 3,516.24-4,849.20-3,018.72

Finding the Fourth Proportional to 3,516.24, 4,849.20 and 3,018.72

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Solution

The fourth proportional to 3,516.24, 4,849.20 and 3,018.72 is: 4,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.24 : 4,849.20 = 3,018.72 : x
  2. Step 2: Convert to fraction form
    3,516.24/4,849.20 = 3,018.72/x
  3. Step 3: Cross multiply
    3,516.24x = 4,849.20 × 3,018.72
  4. Step 4: Simplify right side
    3,516.24x = 14,638,377.02
  5. Step 5: Solve for x
    x = 14,638,377.02/3,516.24
  6. Step 6: Final answer
    x = 4,163.08

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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.