Home / 2,867.56-4,297.80-1,696.40

Finding the Fourth Proportional to 2,867.56, 4,297.80 and 1,696.40

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Solution

The fourth proportional to 2,867.56, 4,297.80 and 1,696.40 is: 2,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.56 : 4,297.80 = 1,696.40 : x
  2. Step 2: Convert to fraction form
    2,867.56/4,297.80 = 1,696.40/x
  3. Step 3: Cross multiply
    2,867.56x = 4,297.80 × 1,696.40
  4. Step 4: Simplify right side
    2,867.56x = 7,290,787.92
  5. Step 5: Solve for x
    x = 7,290,787.92/2,867.56
  6. Step 6: Final answer
    x = 2,542.51

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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.