Home / 2,039.61-3,056.66-1,461.21

Finding the Fourth Proportional to 2,039.61, 3,056.66 and 1,461.21

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Solution

The fourth proportional to 2,039.61, 3,056.66 and 1,461.21 is: 2,189.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.61 : 3,056.66 = 1,461.21 : x
  2. Step 2: Convert to fraction form
    2,039.61/3,056.66 = 1,461.21/x
  3. Step 3: Cross multiply
    2,039.61x = 3,056.66 × 1,461.21
  4. Step 4: Simplify right side
    2,039.61x = 4,466,414.85
  5. Step 5: Solve for x
    x = 4,466,414.85/2,039.61
  6. Step 6: Final answer
    x = 2,189.84

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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.