Home / 3,184.77-4,774.43-1,209.28

Finding the Fourth Proportional to 3,184.77, 4,774.43 and 1,209.28

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Solution

The fourth proportional to 3,184.77, 4,774.43 and 1,209.28 is: 1,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.77 : 4,774.43 = 1,209.28 : x
  2. Step 2: Convert to fraction form
    3,184.77/4,774.43 = 1,209.28/x
  3. Step 3: Cross multiply
    3,184.77x = 4,774.43 × 1,209.28
  4. Step 4: Simplify right side
    3,184.77x = 5,773,615.95
  5. Step 5: Solve for x
    x = 5,773,615.95/3,184.77
  6. Step 6: Final answer
    x = 1,812.88

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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.