Home / 1,805.15-2,712.29-1,732.25

Finding the Fourth Proportional to 1,805.15, 2,712.29 and 1,732.25

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Solution

The fourth proportional to 1,805.15, 2,712.29 and 1,732.25 is: 2,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.15 : 2,712.29 = 1,732.25 : x
  2. Step 2: Convert to fraction form
    1,805.15/2,712.29 = 1,732.25/x
  3. Step 3: Cross multiply
    1,805.15x = 2,712.29 × 1,732.25
  4. Step 4: Simplify right side
    1,805.15x = 4,698,342.13
  5. Step 5: Solve for x
    x = 4,698,342.13/1,805.15
  6. Step 6: Final answer
    x = 2,602.75

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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.