Home / 3,440.14-5,150.18-3,111.84

Finding the Fourth Proportional to 3,440.14, 5,150.18 and 3,111.84

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Solution

The fourth proportional to 3,440.14, 5,150.18 and 3,111.84 is: 4,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.14 : 5,150.18 = 3,111.84 : x
  2. Step 2: Convert to fraction form
    3,440.14/5,150.18 = 3,111.84/x
  3. Step 3: Cross multiply
    3,440.14x = 5,150.18 × 3,111.84
  4. Step 4: Simplify right side
    3,440.14x = 16,026,536.13
  5. Step 5: Solve for x
    x = 16,026,536.13/3,440.14
  6. Step 6: Final answer
    x = 4,658.69

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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.