Home / 2,715.55-3,748.09-1,537

Finding the Fourth Proportional to 2,715.55, 3,748.09 and 1,537

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Solution

The fourth proportional to 2,715.55, 3,748.09 and 1,537 is: 2,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.55 : 3,748.09 = 1,537 : x
  2. Step 2: Convert to fraction form
    2,715.55/3,748.09 = 1,537/x
  3. Step 3: Cross multiply
    2,715.55x = 3,748.09 × 1,537
  4. Step 4: Simplify right side
    2,715.55x = 5,760,814.33
  5. Step 5: Solve for x
    x = 5,760,814.33/2,715.55
  6. Step 6: Final answer
    x = 2,121.42

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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.