Home / 2,551.40-3,827.01-1,012.40

Finding the Fourth Proportional to 2,551.40, 3,827.01 and 1,012.40

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Solution

The fourth proportional to 2,551.40, 3,827.01 and 1,012.40 is: 1,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.40 : 3,827.01 = 1,012.40 : x
  2. Step 2: Convert to fraction form
    2,551.40/3,827.01 = 1,012.40/x
  3. Step 3: Cross multiply
    2,551.40x = 3,827.01 × 1,012.40
  4. Step 4: Simplify right side
    2,551.40x = 3,874,464.92
  5. Step 5: Solve for x
    x = 3,874,464.92/2,551.40
  6. Step 6: Final answer
    x = 1,518.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.