Home / 2,863.30-4,295.15-1,131.70

Finding the Fourth Proportional to 2,863.30, 4,295.15 and 1,131.70

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Solution

The fourth proportional to 2,863.30, 4,295.15 and 1,131.70 is: 1,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.30 : 4,295.15 = 1,131.70 : x
  2. Step 2: Convert to fraction form
    2,863.30/4,295.15 = 1,131.70/x
  3. Step 3: Cross multiply
    2,863.30x = 4,295.15 × 1,131.70
  4. Step 4: Simplify right side
    2,863.30x = 4,860,821.26
  5. Step 5: Solve for x
    x = 4,860,821.26/2,863.30
  6. Step 6: Final answer
    x = 1,697.63

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1.5x scale

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.