Home / 1,645.26-2,464.65-1,356.90

Finding the Fourth Proportional to 1,645.26, 2,464.65 and 1,356.90

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Solution

The fourth proportional to 1,645.26, 2,464.65 and 1,356.90 is: 2,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.26 : 2,464.65 = 1,356.90 : x
  2. Step 2: Convert to fraction form
    1,645.26/2,464.65 = 1,356.90/x
  3. Step 3: Cross multiply
    1,645.26x = 2,464.65 × 1,356.90
  4. Step 4: Simplify right side
    1,645.26x = 3,344,283.59
  5. Step 5: Solve for x
    x = 3,344,283.59/1,645.26
  6. Step 6: Final answer
    x = 2,032.68

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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.