Home / 2,775.92-3,824.27-1,935.10

Finding the Fourth Proportional to 2,775.92, 3,824.27 and 1,935.10

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Solution

The fourth proportional to 2,775.92, 3,824.27 and 1,935.10 is: 2,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.92 : 3,824.27 = 1,935.10 : x
  2. Step 2: Convert to fraction form
    2,775.92/3,824.27 = 1,935.10/x
  3. Step 3: Cross multiply
    2,775.92x = 3,824.27 × 1,935.10
  4. Step 4: Simplify right side
    2,775.92x = 7,400,316.08
  5. Step 5: Solve for x
    x = 7,400,316.08/2,775.92
  6. Step 6: Final answer
    x = 2,665.90

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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.