Home / 3,989.04-5,983.56-1,523.28

Finding the Fourth Proportional to 3,989.04, 5,983.56 and 1,523.28

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Solution

The fourth proportional to 3,989.04, 5,983.56 and 1,523.28 is: 2,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.04 : 5,983.56 = 1,523.28 : x
  2. Step 2: Convert to fraction form
    3,989.04/5,983.56 = 1,523.28/x
  3. Step 3: Cross multiply
    3,989.04x = 5,983.56 × 1,523.28
  4. Step 4: Simplify right side
    3,989.04x = 9,114,637.28
  5. Step 5: Solve for x
    x = 9,114,637.28/3,989.04
  6. Step 6: Final answer
    x = 2,284.92

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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.