Home / 3,715.07-5,126.79-2,036.54

Finding the Fourth Proportional to 3,715.07, 5,126.79 and 2,036.54

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Solution

The fourth proportional to 3,715.07, 5,126.79 and 2,036.54 is: 2,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.07 : 5,126.79 = 2,036.54 : x
  2. Step 2: Convert to fraction form
    3,715.07/5,126.79 = 2,036.54/x
  3. Step 3: Cross multiply
    3,715.07x = 5,126.79 × 2,036.54
  4. Step 4: Simplify right side
    3,715.07x = 10,440,912.91
  5. Step 5: Solve for x
    x = 10,440,912.91/3,715.07
  6. Step 6: Final answer
    x = 2,810.42

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1.5x scale

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.