Home / 3,657.36-5,486.61-1,577.95

Finding the Fourth Proportional to 3,657.36, 5,486.61 and 1,577.95

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Solution

The fourth proportional to 3,657.36, 5,486.61 and 1,577.95 is: 2,367.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.36 : 5,486.61 = 1,577.95 : x
  2. Step 2: Convert to fraction form
    3,657.36/5,486.61 = 1,577.95/x
  3. Step 3: Cross multiply
    3,657.36x = 5,486.61 × 1,577.95
  4. Step 4: Simplify right side
    3,657.36x = 8,657,596.25
  5. Step 5: Solve for x
    x = 8,657,596.25/3,657.36
  6. Step 6: Final answer
    x = 2,367.17

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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.