Home / 2,773.27-4,138.68-2,477.45

Finding the Fourth Proportional to 2,773.27, 4,138.68 and 2,477.45

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Solution

The fourth proportional to 2,773.27, 4,138.68 and 2,477.45 is: 3,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.27 : 4,138.68 = 2,477.45 : x
  2. Step 2: Convert to fraction form
    2,773.27/4,138.68 = 2,477.45/x
  3. Step 3: Cross multiply
    2,773.27x = 4,138.68 × 2,477.45
  4. Step 4: Simplify right side
    2,773.27x = 10,253,391.36
  5. Step 5: Solve for x
    x = 10,253,391.36/2,773.27
  6. Step 6: Final answer
    x = 3,697.22

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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.