Home / 1,244.92-1,870.26-1,077.88

Finding the Fourth Proportional to 1,244.92, 1,870.26 and 1,077.88

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Solution

The fourth proportional to 1,244.92, 1,870.26 and 1,077.88 is: 1,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.92 : 1,870.26 = 1,077.88 : x
  2. Step 2: Convert to fraction form
    1,244.92/1,870.26 = 1,077.88/x
  3. Step 3: Cross multiply
    1,244.92x = 1,870.26 × 1,077.88
  4. Step 4: Simplify right side
    1,244.92x = 2,015,915.85
  5. Step 5: Solve for x
    x = 2,015,915.85/1,244.92
  6. Step 6: Final answer
    x = 1,619.31

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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.