Home / 2,807.09-3,872.92-1,627.92

Finding the Fourth Proportional to 2,807.09, 3,872.92 and 1,627.92

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Solution

The fourth proportional to 2,807.09, 3,872.92 and 1,627.92 is: 2,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.09 : 3,872.92 = 1,627.92 : x
  2. Step 2: Convert to fraction form
    2,807.09/3,872.92 = 1,627.92/x
  3. Step 3: Cross multiply
    2,807.09x = 3,872.92 × 1,627.92
  4. Step 4: Simplify right side
    2,807.09x = 6,304,803.93
  5. Step 5: Solve for x
    x = 6,304,803.93/2,807.09
  6. Step 6: Final answer
    x = 2,246.03

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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.