Home / 3,182.45-4,774.48-1,719.59

Finding the Fourth Proportional to 3,182.45, 4,774.48 and 1,719.59

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Solution

The fourth proportional to 3,182.45, 4,774.48 and 1,719.59 is: 2,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.45 : 4,774.48 = 1,719.59 : x
  2. Step 2: Convert to fraction form
    3,182.45/4,774.48 = 1,719.59/x
  3. Step 3: Cross multiply
    3,182.45x = 4,774.48 × 1,719.59
  4. Step 4: Simplify right side
    3,182.45x = 8,210,119.89
  5. Step 5: Solve for x
    x = 8,210,119.89/3,182.45
  6. Step 6: Final answer
    x = 2,579.82

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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.