Home / 2,039.46-2,813.99-1,253.36

Finding the Fourth Proportional to 2,039.46, 2,813.99 and 1,253.36

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Solution

The fourth proportional to 2,039.46, 2,813.99 and 1,253.36 is: 1,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.46 : 2,813.99 = 1,253.36 : x
  2. Step 2: Convert to fraction form
    2,039.46/2,813.99 = 1,253.36/x
  3. Step 3: Cross multiply
    2,039.46x = 2,813.99 × 1,253.36
  4. Step 4: Simplify right side
    2,039.46x = 3,526,922.17
  5. Step 5: Solve for x
    x = 3,526,922.17/2,039.46
  6. Step 6: Final answer
    x = 1,729.34

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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.