Home / 2,684.36-4,027.98-1,145

Finding the Fourth Proportional to 2,684.36, 4,027.98 and 1,145

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Solution

The fourth proportional to 2,684.36, 4,027.98 and 1,145 is: 1,718.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.36 : 4,027.98 = 1,145 : x
  2. Step 2: Convert to fraction form
    2,684.36/4,027.98 = 1,145/x
  3. Step 3: Cross multiply
    2,684.36x = 4,027.98 × 1,145
  4. Step 4: Simplify right side
    2,684.36x = 4,612,037.10
  5. Step 5: Solve for x
    x = 4,612,037.10/2,684.36
  6. Step 6: Final answer
    x = 1,718.11

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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.