Home / 2,716.50-3,748.83-1,785.06

Finding the Fourth Proportional to 2,716.50, 3,748.83 and 1,785.06

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Solution

The fourth proportional to 2,716.50, 3,748.83 and 1,785.06 is: 2,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.50 : 3,748.83 = 1,785.06 : x
  2. Step 2: Convert to fraction form
    2,716.50/3,748.83 = 1,785.06/x
  3. Step 3: Cross multiply
    2,716.50x = 3,748.83 × 1,785.06
  4. Step 4: Simplify right side
    2,716.50x = 6,691,886.48
  5. Step 5: Solve for x
    x = 6,691,886.48/2,716.50
  6. Step 6: Final answer
    x = 2,463.42

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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.