Home / 3,910.13-5,397.71-2,495.67

Finding the Fourth Proportional to 3,910.13, 5,397.71 and 2,495.67

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Solution

The fourth proportional to 3,910.13, 5,397.71 and 2,495.67 is: 3,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.13 : 5,397.71 = 2,495.67 : x
  2. Step 2: Convert to fraction form
    3,910.13/5,397.71 = 2,495.67/x
  3. Step 3: Cross multiply
    3,910.13x = 5,397.71 × 2,495.67
  4. Step 4: Simplify right side
    3,910.13x = 13,470,890.44
  5. Step 5: Solve for x
    x = 13,470,890.44/3,910.13
  6. Step 6: Final answer
    x = 3,445.13

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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.