Home / 4,171.80-5,756.28-2,379.24

Finding the Fourth Proportional to 4,171.80, 5,756.28 and 2,379.24

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Solution

The fourth proportional to 4,171.80, 5,756.28 and 2,379.24 is: 3,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.80 : 5,756.28 = 2,379.24 : x
  2. Step 2: Convert to fraction form
    4,171.80/5,756.28 = 2,379.24/x
  3. Step 3: Cross multiply
    4,171.80x = 5,756.28 × 2,379.24
  4. Step 4: Simplify right side
    4,171.80x = 13,695,562.71
  5. Step 5: Solve for x
    x = 13,695,562.71/4,171.80
  6. Step 6: Final answer
    x = 3,282.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.