Home / 3,151.90-4,350.37-1,826.33

Finding the Fourth Proportional to 3,151.90, 4,350.37 and 1,826.33

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Solution

The fourth proportional to 3,151.90, 4,350.37 and 1,826.33 is: 2,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.90 : 4,350.37 = 1,826.33 : x
  2. Step 2: Convert to fraction form
    3,151.90/4,350.37 = 1,826.33/x
  3. Step 3: Cross multiply
    3,151.90x = 4,350.37 × 1,826.33
  4. Step 4: Simplify right side
    3,151.90x = 7,945,211.24
  5. Step 5: Solve for x
    x = 7,945,211.24/3,151.90
  6. Step 6: Final answer
    x = 2,520.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.