Home / 2,861.66-4,291.56-1,474.81

Finding the Fourth Proportional to 2,861.66, 4,291.56 and 1,474.81

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Solution

The fourth proportional to 2,861.66, 4,291.56 and 1,474.81 is: 2,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.66 : 4,291.56 = 1,474.81 : x
  2. Step 2: Convert to fraction form
    2,861.66/4,291.56 = 1,474.81/x
  3. Step 3: Cross multiply
    2,861.66x = 4,291.56 × 1,474.81
  4. Step 4: Simplify right side
    2,861.66x = 6,329,235.60
  5. Step 5: Solve for x
    x = 6,329,235.60/2,861.66
  6. Step 6: Final answer
    x = 2,211.74

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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.