Home / 3,583.58-5,371.25-1,390.46

Finding the Fourth Proportional to 3,583.58, 5,371.25 and 1,390.46

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Solution

The fourth proportional to 3,583.58, 5,371.25 and 1,390.46 is: 2,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.58 : 5,371.25 = 1,390.46 : x
  2. Step 2: Convert to fraction form
    3,583.58/5,371.25 = 1,390.46/x
  3. Step 3: Cross multiply
    3,583.58x = 5,371.25 × 1,390.46
  4. Step 4: Simplify right side
    3,583.58x = 7,468,474.47
  5. Step 5: Solve for x
    x = 7,468,474.47/3,583.58
  6. Step 6: Final answer
    x = 2,084.08

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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.