Home / 2,861.49-4,295.01-1,381.76

Finding the Fourth Proportional to 2,861.49, 4,295.01 and 1,381.76

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Solution

The fourth proportional to 2,861.49, 4,295.01 and 1,381.76 is: 2,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.49 : 4,295.01 = 1,381.76 : x
  2. Step 2: Convert to fraction form
    2,861.49/4,295.01 = 1,381.76/x
  3. Step 3: Cross multiply
    2,861.49x = 4,295.01 × 1,381.76
  4. Step 4: Simplify right side
    2,861.49x = 5,934,651.54
  5. Step 5: Solve for x
    x = 5,934,651.54/2,861.49
  6. Step 6: Final answer
    x = 2,073.97

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1.5x scale

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.