Home / 3,149.10-4,346.33-1,823.54

Finding the Fourth Proportional to 3,149.10, 4,346.33 and 1,823.54

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Solution

The fourth proportional to 3,149.10, 4,346.33 and 1,823.54 is: 2,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.10 : 4,346.33 = 1,823.54 : x
  2. Step 2: Convert to fraction form
    3,149.10/4,346.33 = 1,823.54/x
  3. Step 3: Cross multiply
    3,149.10x = 4,346.33 × 1,823.54
  4. Step 4: Simplify right side
    3,149.10x = 7,925,675.76
  5. Step 5: Solve for x
    x = 7,925,675.76/3,149.10
  6. Step 6: Final answer
    x = 2,516.81

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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.