Home / 3,182.16-4,776.08-1,539.28

Finding the Fourth Proportional to 3,182.16, 4,776.08 and 1,539.28

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Solution

The fourth proportional to 3,182.16, 4,776.08 and 1,539.28 is: 2,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.16 : 4,776.08 = 1,539.28 : x
  2. Step 2: Convert to fraction form
    3,182.16/4,776.08 = 1,539.28/x
  3. Step 3: Cross multiply
    3,182.16x = 4,776.08 × 1,539.28
  4. Step 4: Simplify right side
    3,182.16x = 7,351,704.79
  5. Step 5: Solve for x
    x = 7,351,704.79/3,182.16
  6. Step 6: Final answer
    x = 2,310.29

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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.