Home / 3,587.61-5,383.88-1,396.36

Finding the Fourth Proportional to 3,587.61, 5,383.88 and 1,396.36

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Solution

The fourth proportional to 3,587.61, 5,383.88 and 1,396.36 is: 2,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.61 : 5,383.88 = 1,396.36 : x
  2. Step 2: Convert to fraction form
    3,587.61/5,383.88 = 1,396.36/x
  3. Step 3: Cross multiply
    3,587.61x = 5,383.88 × 1,396.36
  4. Step 4: Simplify right side
    3,587.61x = 7,517,834.68
  5. Step 5: Solve for x
    x = 7,517,834.68/3,587.61
  6. Step 6: Final answer
    x = 2,095.50

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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.