Home / 3,587.73-5,382.98-1,398.01

Finding the Fourth Proportional to 3,587.73, 5,382.98 and 1,398.01

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Solution

The fourth proportional to 3,587.73, 5,382.98 and 1,398.01 is: 2,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.73 : 5,382.98 = 1,398.01 : x
  2. Step 2: Convert to fraction form
    3,587.73/5,382.98 = 1,398.01/x
  3. Step 3: Cross multiply
    3,587.73x = 5,382.98 × 1,398.01
  4. Step 4: Simplify right side
    3,587.73x = 7,525,452.88
  5. Step 5: Solve for x
    x = 7,525,452.88/3,587.73
  6. Step 6: Final answer
    x = 2,097.55

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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.