Home / 2,987.06-4,474.97-1,750.80

Finding the Fourth Proportional to 2,987.06, 4,474.97 and 1,750.80

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Solution

The fourth proportional to 2,987.06, 4,474.97 and 1,750.80 is: 2,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.06 : 4,474.97 = 1,750.80 : x
  2. Step 2: Convert to fraction form
    2,987.06/4,474.97 = 1,750.80/x
  3. Step 3: Cross multiply
    2,987.06x = 4,474.97 × 1,750.80
  4. Step 4: Simplify right side
    2,987.06x = 7,834,768.72
  5. Step 5: Solve for x
    x = 7,834,768.72/2,987.06
  6. Step 6: Final answer
    x = 2,622.91

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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.