Home / 2,827.80-3,902.58-1,568.97

Finding the Fourth Proportional to 2,827.80, 3,902.58 and 1,568.97

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Solution

The fourth proportional to 2,827.80, 3,902.58 and 1,568.97 is: 2,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.80 : 3,902.58 = 1,568.97 : x
  2. Step 2: Convert to fraction form
    2,827.80/3,902.58 = 1,568.97/x
  3. Step 3: Cross multiply
    2,827.80x = 3,902.58 × 1,568.97
  4. Step 4: Simplify right side
    2,827.80x = 6,123,030.94
  5. Step 5: Solve for x
    x = 6,123,030.94/2,827.80
  6. Step 6: Final answer
    x = 2,165.30

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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.