Home / 2,878.88-3,973.58-1,760

Finding the Fourth Proportional to 2,878.88, 3,973.58 and 1,760

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Solution

The fourth proportional to 2,878.88, 3,973.58 and 1,760 is: 2,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.88 : 3,973.58 = 1,760 : x
  2. Step 2: Convert to fraction form
    2,878.88/3,973.58 = 1,760/x
  3. Step 3: Cross multiply
    2,878.88x = 3,973.58 × 1,760
  4. Step 4: Simplify right side
    2,878.88x = 6,993,500.80
  5. Step 5: Solve for x
    x = 6,993,500.80/2,878.88
  6. Step 6: Final answer
    x = 2,429.24

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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.