Home / 2,701.79-4,049.23-2,084.21

Finding the Fourth Proportional to 2,701.79, 4,049.23 and 2,084.21

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Solution

The fourth proportional to 2,701.79, 4,049.23 and 2,084.21 is: 3,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.79 : 4,049.23 = 2,084.21 : x
  2. Step 2: Convert to fraction form
    2,701.79/4,049.23 = 2,084.21/x
  3. Step 3: Cross multiply
    2,701.79x = 4,049.23 × 2,084.21
  4. Step 4: Simplify right side
    2,701.79x = 8,439,420.20
  5. Step 5: Solve for x
    x = 8,439,420.20/2,701.79
  6. Step 6: Final answer
    x = 3,123.64

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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.