Home / 2,757.07-4,125.23-1,642.38

Finding the Fourth Proportional to 2,757.07, 4,125.23 and 1,642.38

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Solution

The fourth proportional to 2,757.07, 4,125.23 and 1,642.38 is: 2,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.07 : 4,125.23 = 1,642.38 : x
  2. Step 2: Convert to fraction form
    2,757.07/4,125.23 = 1,642.38/x
  3. Step 3: Cross multiply
    2,757.07x = 4,125.23 × 1,642.38
  4. Step 4: Simplify right side
    2,757.07x = 6,775,177.72
  5. Step 5: Solve for x
    x = 6,775,177.72/2,757.07
  6. Step 6: Final answer
    x = 2,457.38

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1.5x scale

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.