Home / 2,291.90-3,165.42-1,544.57

Finding the Fourth Proportional to 2,291.90, 3,165.42 and 1,544.57

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Solution

The fourth proportional to 2,291.90, 3,165.42 and 1,544.57 is: 2,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.90 : 3,165.42 = 1,544.57 : x
  2. Step 2: Convert to fraction form
    2,291.90/3,165.42 = 1,544.57/x
  3. Step 3: Cross multiply
    2,291.90x = 3,165.42 × 1,544.57
  4. Step 4: Simplify right side
    2,291.90x = 4,889,196.94
  5. Step 5: Solve for x
    x = 4,889,196.94/2,291.90
  6. Step 6: Final answer
    x = 2,133.26

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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.