Home / 2,370.19-3,270.45-1,375.30

Finding the Fourth Proportional to 2,370.19, 3,270.45 and 1,375.30

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Solution

The fourth proportional to 2,370.19, 3,270.45 and 1,375.30 is: 1,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.19 : 3,270.45 = 1,375.30 : x
  2. Step 2: Convert to fraction form
    2,370.19/3,270.45 = 1,375.30/x
  3. Step 3: Cross multiply
    2,370.19x = 3,270.45 × 1,375.30
  4. Step 4: Simplify right side
    2,370.19x = 4,497,849.89
  5. Step 5: Solve for x
    x = 4,497,849.89/2,370.19
  6. Step 6: Final answer
    x = 1,897.67

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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.