Home / 4,211.45-5,811.54-2,531.87

Finding the Fourth Proportional to 4,211.45, 5,811.54 and 2,531.87

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Solution

The fourth proportional to 4,211.45, 5,811.54 and 2,531.87 is: 3,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.45 : 5,811.54 = 2,531.87 : x
  2. Step 2: Convert to fraction form
    4,211.45/5,811.54 = 2,531.87/x
  3. Step 3: Cross multiply
    4,211.45x = 5,811.54 × 2,531.87
  4. Step 4: Simplify right side
    4,211.45x = 14,714,034.72
  5. Step 5: Solve for x
    x = 14,714,034.72/4,211.45
  6. Step 6: Final answer
    x = 3,493.82

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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.