Home / 3,012.16-4,513.92-1,984

Finding the Fourth Proportional to 3,012.16, 4,513.92 and 1,984

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Solution

The fourth proportional to 3,012.16, 4,513.92 and 1,984 is: 2,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.16 : 4,513.92 = 1,984 : x
  2. Step 2: Convert to fraction form
    3,012.16/4,513.92 = 1,984/x
  3. Step 3: Cross multiply
    3,012.16x = 4,513.92 × 1,984
  4. Step 4: Simplify right side
    3,012.16x = 8,955,617.28
  5. Step 5: Solve for x
    x = 8,955,617.28/3,012.16
  6. Step 6: Final answer
    x = 2,973.15

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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.