Home / 3,715.14-5,126.88-2,036.56

Finding the Fourth Proportional to 3,715.14, 5,126.88 and 2,036.56

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Solution

The fourth proportional to 3,715.14, 5,126.88 and 2,036.56 is: 2,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.14 : 5,126.88 = 2,036.56 : x
  2. Step 2: Convert to fraction form
    3,715.14/5,126.88 = 2,036.56/x
  3. Step 3: Cross multiply
    3,715.14x = 5,126.88 × 2,036.56
  4. Step 4: Simplify right side
    3,715.14x = 10,441,198.73
  5. Step 5: Solve for x
    x = 10,441,198.73/3,715.14
  6. Step 6: Final answer
    x = 2,810.45

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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.