Home / 3,246.86-4,875.16-1,861.76

Finding the Fourth Proportional to 3,246.86, 4,875.16 and 1,861.76

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Solution

The fourth proportional to 3,246.86, 4,875.16 and 1,861.76 is: 2,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.86 : 4,875.16 = 1,861.76 : x
  2. Step 2: Convert to fraction form
    3,246.86/4,875.16 = 1,861.76/x
  3. Step 3: Cross multiply
    3,246.86x = 4,875.16 × 1,861.76
  4. Step 4: Simplify right side
    3,246.86x = 9,076,377.88
  5. Step 5: Solve for x
    x = 9,076,377.88/3,246.86
  6. Step 6: Final answer
    x = 2,795.43

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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.