Home / 3,180.84-4,774.32-1,723.08

Finding the Fourth Proportional to 3,180.84, 4,774.32 and 1,723.08

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Solution

The fourth proportional to 3,180.84, 4,774.32 and 1,723.08 is: 2,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.84 : 4,774.32 = 1,723.08 : x
  2. Step 2: Convert to fraction form
    3,180.84/4,774.32 = 1,723.08/x
  3. Step 3: Cross multiply
    3,180.84x = 4,774.32 × 1,723.08
  4. Step 4: Simplify right side
    3,180.84x = 8,226,535.31
  5. Step 5: Solve for x
    x = 8,226,535.31/3,180.84
  6. Step 6: Final answer
    x = 2,586.28

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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.