Home / 3,007.13-4,512.63-1,621.43

Finding the Fourth Proportional to 3,007.13, 4,512.63 and 1,621.43

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Solution

The fourth proportional to 3,007.13, 4,512.63 and 1,621.43 is: 2,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.13 : 4,512.63 = 1,621.43 : x
  2. Step 2: Convert to fraction form
    3,007.13/4,512.63 = 1,621.43/x
  3. Step 3: Cross multiply
    3,007.13x = 4,512.63 × 1,621.43
  4. Step 4: Simplify right side
    3,007.13x = 7,316,914.10
  5. Step 5: Solve for x
    x = 7,316,914.10/3,007.13
  6. Step 6: Final answer
    x = 2,433.19

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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.