Home / 1,895.76-2,844.72-1,246.80

Finding the Fourth Proportional to 1,895.76, 2,844.72 and 1,246.80

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Solution

The fourth proportional to 1,895.76, 2,844.72 and 1,246.80 is: 1,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.76 : 2,844.72 = 1,246.80 : x
  2. Step 2: Convert to fraction form
    1,895.76/2,844.72 = 1,246.80/x
  3. Step 3: Cross multiply
    1,895.76x = 2,844.72 × 1,246.80
  4. Step 4: Simplify right side
    1,895.76x = 3,546,796.90
  5. Step 5: Solve for x
    x = 3,546,796.90/1,895.76
  6. Step 6: Final answer
    x = 1,870.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.