Home / 3,423.64-5,132.61-2,983.81

Finding the Fourth Proportional to 3,423.64, 5,132.61 and 2,983.81

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Solution

The fourth proportional to 3,423.64, 5,132.61 and 2,983.81 is: 4,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.64 : 5,132.61 = 2,983.81 : x
  2. Step 2: Convert to fraction form
    3,423.64/5,132.61 = 2,983.81/x
  3. Step 3: Cross multiply
    3,423.64x = 5,132.61 × 2,983.81
  4. Step 4: Simplify right side
    3,423.64x = 15,314,733.04
  5. Step 5: Solve for x
    x = 15,314,733.04/3,423.64
  6. Step 6: Final answer
    x = 4,473.23

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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.