Home / 2,756.43-4,114.46-2,428.38

Finding the Fourth Proportional to 2,756.43, 4,114.46 and 2,428.38

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Solution

The fourth proportional to 2,756.43, 4,114.46 and 2,428.38 is: 3,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.43 : 4,114.46 = 2,428.38 : x
  2. Step 2: Convert to fraction form
    2,756.43/4,114.46 = 2,428.38/x
  3. Step 3: Cross multiply
    2,756.43x = 4,114.46 × 2,428.38
  4. Step 4: Simplify right side
    2,756.43x = 9,991,478.45
  5. Step 5: Solve for x
    x = 9,991,478.45/2,756.43
  6. Step 6: Final answer
    x = 3,624.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.