Home / 2,807.37-3,874.14-1,629.09

Finding the Fourth Proportional to 2,807.37, 3,874.14 and 1,629.09

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Solution

The fourth proportional to 2,807.37, 3,874.14 and 1,629.09 is: 2,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.37 : 3,874.14 = 1,629.09 : x
  2. Step 2: Convert to fraction form
    2,807.37/3,874.14 = 1,629.09/x
  3. Step 3: Cross multiply
    2,807.37x = 3,874.14 × 1,629.09
  4. Step 4: Simplify right side
    2,807.37x = 6,311,322.73
  5. Step 5: Solve for x
    x = 6,311,322.73/2,807.37
  6. Step 6: Final answer
    x = 2,248.13

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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.