Home / 4,043.14-5,580.22-2,986.40

Finding the Fourth Proportional to 4,043.14, 5,580.22 and 2,986.40

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Solution

The fourth proportional to 4,043.14, 5,580.22 and 2,986.40 is: 4,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.14 : 5,580.22 = 2,986.40 : x
  2. Step 2: Convert to fraction form
    4,043.14/5,580.22 = 2,986.40/x
  3. Step 3: Cross multiply
    4,043.14x = 5,580.22 × 2,986.40
  4. Step 4: Simplify right side
    4,043.14x = 16,664,769.01
  5. Step 5: Solve for x
    x = 16,664,769.01/4,043.14
  6. Step 6: Final answer
    x = 4,121.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.