Home / 3,512.10-5,236.19-3,117.67

Finding the Fourth Proportional to 3,512.10, 5,236.19 and 3,117.67

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Solution

The fourth proportional to 3,512.10, 5,236.19 and 3,117.67 is: 4,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.10 : 5,236.19 = 3,117.67 : x
  2. Step 2: Convert to fraction form
    3,512.10/5,236.19 = 3,117.67/x
  3. Step 3: Cross multiply
    3,512.10x = 5,236.19 × 3,117.67
  4. Step 4: Simplify right side
    3,512.10x = 16,324,712.48
  5. Step 5: Solve for x
    x = 16,324,712.48/3,512.10
  6. Step 6: Final answer
    x = 4,648.13

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1.5x scale

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.