Home / 2,862.06-4,295.50-1,131.90

Finding the Fourth Proportional to 2,862.06, 4,295.50 and 1,131.90

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Solution

The fourth proportional to 2,862.06, 4,295.50 and 1,131.90 is: 1,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.06 : 4,295.50 = 1,131.90 : x
  2. Step 2: Convert to fraction form
    2,862.06/4,295.50 = 1,131.90/x
  3. Step 3: Cross multiply
    2,862.06x = 4,295.50 × 1,131.90
  4. Step 4: Simplify right side
    2,862.06x = 4,862,076.45
  5. Step 5: Solve for x
    x = 4,862,076.45/2,862.06
  6. Step 6: Final answer
    x = 1,698.80

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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.