Home / 3,085.81-4,254.11-2,611.82

Finding the Fourth Proportional to 3,085.81, 4,254.11 and 2,611.82

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Solution

The fourth proportional to 3,085.81, 4,254.11 and 2,611.82 is: 3,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.81 : 4,254.11 = 2,611.82 : x
  2. Step 2: Convert to fraction form
    3,085.81/4,254.11 = 2,611.82/x
  3. Step 3: Cross multiply
    3,085.81x = 4,254.11 × 2,611.82
  4. Step 4: Simplify right side
    3,085.81x = 11,110,956.52
  5. Step 5: Solve for x
    x = 11,110,956.52/3,085.81
  6. Step 6: Final answer
    x = 3,600.67

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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.