Home / 2,370.11-3,270.20-1,438.43

Finding the Fourth Proportional to 2,370.11, 3,270.20 and 1,438.43

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Solution

The fourth proportional to 2,370.11, 3,270.20 and 1,438.43 is: 1,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.11 : 3,270.20 = 1,438.43 : x
  2. Step 2: Convert to fraction form
    2,370.11/3,270.20 = 1,438.43/x
  3. Step 3: Cross multiply
    2,370.11x = 3,270.20 × 1,438.43
  4. Step 4: Simplify right side
    2,370.11x = 4,703,946.59
  5. Step 5: Solve for x
    x = 4,703,946.59/2,370.11
  6. Step 6: Final answer
    x = 1,984.70

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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.