Home / 2,810.17-4,204.82-1,765.28

Finding the Fourth Proportional to 2,810.17, 4,204.82 and 1,765.28

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Solution

The fourth proportional to 2,810.17, 4,204.82 and 1,765.28 is: 2,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.17 : 4,204.82 = 1,765.28 : x
  2. Step 2: Convert to fraction form
    2,810.17/4,204.82 = 1,765.28/x
  3. Step 3: Cross multiply
    2,810.17x = 4,204.82 × 1,765.28
  4. Step 4: Simplify right side
    2,810.17x = 7,422,675.82
  5. Step 5: Solve for x
    x = 7,422,675.82/2,810.17
  6. Step 6: Final answer
    x = 2,641.36

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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.