Home / 3,117.15-4,682.21-2,472.39

Finding the Fourth Proportional to 3,117.15, 4,682.21 and 2,472.39

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Solution

The fourth proportional to 3,117.15, 4,682.21 and 2,472.39 is: 3,713.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.15 : 4,682.21 = 2,472.39 : x
  2. Step 2: Convert to fraction form
    3,117.15/4,682.21 = 2,472.39/x
  3. Step 3: Cross multiply
    3,117.15x = 4,682.21 × 2,472.39
  4. Step 4: Simplify right side
    3,117.15x = 11,576,236.82
  5. Step 5: Solve for x
    x = 11,576,236.82/3,117.15
  6. Step 6: Final answer
    x = 3,713.72

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1.5x scale

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.