Home / 2,370.12-3,555.17-1,275

Finding the Fourth Proportional to 2,370.12, 3,555.17 and 1,275

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Solution

The fourth proportional to 2,370.12, 3,555.17 and 1,275 is: 1,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.12 : 3,555.17 = 1,275 : x
  2. Step 2: Convert to fraction form
    2,370.12/3,555.17 = 1,275/x
  3. Step 3: Cross multiply
    2,370.12x = 3,555.17 × 1,275
  4. Step 4: Simplify right side
    2,370.12x = 4,532,835.38
  5. Step 5: Solve for x
    x = 4,532,835.38/2,370.12
  6. Step 6: Final answer
    x = 1,912.49

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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.