Home / 2,167.80-3,246.20-1,435.14

Finding the Fourth Proportional to 2,167.80, 3,246.20 and 1,435.14

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Solution

The fourth proportional to 2,167.80, 3,246.20 and 1,435.14 is: 2,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.80 : 3,246.20 = 1,435.14 : x
  2. Step 2: Convert to fraction form
    2,167.80/3,246.20 = 1,435.14/x
  3. Step 3: Cross multiply
    2,167.80x = 3,246.20 × 1,435.14
  4. Step 4: Simplify right side
    2,167.80x = 4,658,751.47
  5. Step 5: Solve for x
    x = 4,658,751.47/2,167.80
  6. Step 6: Final answer
    x = 2,149.07

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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.