Home / 2,373.14-3,274.34-1,428.73

Finding the Fourth Proportional to 2,373.14, 3,274.34 and 1,428.73

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Solution

The fourth proportional to 2,373.14, 3,274.34 and 1,428.73 is: 1,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.14 : 3,274.34 = 1,428.73 : x
  2. Step 2: Convert to fraction form
    2,373.14/3,274.34 = 1,428.73/x
  3. Step 3: Cross multiply
    2,373.14x = 3,274.34 × 1,428.73
  4. Step 4: Simplify right side
    2,373.14x = 4,678,147.79
  5. Step 5: Solve for x
    x = 4,678,147.79/2,373.14
  6. Step 6: Final answer
    x = 1,971.29

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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.