Home / 2,579.46-3,867.14-1,117.58

Finding the Fourth Proportional to 2,579.46, 3,867.14 and 1,117.58

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Solution

The fourth proportional to 2,579.46, 3,867.14 and 1,117.58 is: 1,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.46 : 3,867.14 = 1,117.58 : x
  2. Step 2: Convert to fraction form
    2,579.46/3,867.14 = 1,117.58/x
  3. Step 3: Cross multiply
    2,579.46x = 3,867.14 × 1,117.58
  4. Step 4: Simplify right side
    2,579.46x = 4,321,838.32
  5. Step 5: Solve for x
    x = 4,321,838.32/2,579.46
  6. Step 6: Final answer
    x = 1,675.48

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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.