Home / 1,850.28-2,764.59-1,785.70

Finding the Fourth Proportional to 1,850.28, 2,764.59 and 1,785.70

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Solution

The fourth proportional to 1,850.28, 2,764.59 and 1,785.70 is: 2,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.28 : 2,764.59 = 1,785.70 : x
  2. Step 2: Convert to fraction form
    1,850.28/2,764.59 = 1,785.70/x
  3. Step 3: Cross multiply
    1,850.28x = 2,764.59 × 1,785.70
  4. Step 4: Simplify right side
    1,850.28x = 4,936,728.36
  5. Step 5: Solve for x
    x = 4,936,728.36/1,850.28
  6. Step 6: Final answer
    x = 2,668.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.