Home / 1,641.18-2,265.26-933.44

Finding the Fourth Proportional to 1,641.18, 2,265.26 and 933.44

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Solution

The fourth proportional to 1,641.18, 2,265.26 and 933.44 is: 1,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.18 : 2,265.26 = 933.44 : x
  2. Step 2: Convert to fraction form
    1,641.18/2,265.26 = 933.44/x
  3. Step 3: Cross multiply
    1,641.18x = 2,265.26 × 933.44
  4. Step 4: Simplify right side
    1,641.18x = 2,114,486.63
  5. Step 5: Solve for x
    x = 2,114,486.63/1,641.18
  6. Step 6: Final answer
    x = 1,288.39

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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.