Home / 2,444.40-3,369.34-1,912.38

Finding the Fourth Proportional to 2,444.40, 3,369.34 and 1,912.38

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Solution

The fourth proportional to 2,444.40, 3,369.34 and 1,912.38 is: 2,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.40 : 3,369.34 = 1,912.38 : x
  2. Step 2: Convert to fraction form
    2,444.40/3,369.34 = 1,912.38/x
  3. Step 3: Cross multiply
    2,444.40x = 3,369.34 × 1,912.38
  4. Step 4: Simplify right side
    2,444.40x = 6,443,458.43
  5. Step 5: Solve for x
    x = 6,443,458.43/2,444.40
  6. Step 6: Final answer
    x = 2,636.01

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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.