Home / 3,718.20-5,577.30-1,664.76

Finding the Fourth Proportional to 3,718.20, 5,577.30 and 1,664.76

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Solution

The fourth proportional to 3,718.20, 5,577.30 and 1,664.76 is: 2,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.20 : 5,577.30 = 1,664.76 : x
  2. Step 2: Convert to fraction form
    3,718.20/5,577.30 = 1,664.76/x
  3. Step 3: Cross multiply
    3,718.20x = 5,577.30 × 1,664.76
  4. Step 4: Simplify right side
    3,718.20x = 9,284,865.95
  5. Step 5: Solve for x
    x = 9,284,865.95/3,718.20
  6. Step 6: Final answer
    x = 2,497.14

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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.