Home / 3,687.04-5,528.64-1,738.72

Finding the Fourth Proportional to 3,687.04, 5,528.64 and 1,738.72

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Solution

The fourth proportional to 3,687.04, 5,528.64 and 1,738.72 is: 2,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.04 : 5,528.64 = 1,738.72 : x
  2. Step 2: Convert to fraction form
    3,687.04/5,528.64 = 1,738.72/x
  3. Step 3: Cross multiply
    3,687.04x = 5,528.64 × 1,738.72
  4. Step 4: Simplify right side
    3,687.04x = 9,612,756.94
  5. Step 5: Solve for x
    x = 9,612,756.94/3,687.04
  6. Step 6: Final answer
    x = 2,607.17

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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.