Home / 4,172.76-5,758.16-2,379.99

Finding the Fourth Proportional to 4,172.76, 5,758.16 and 2,379.99

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Solution

The fourth proportional to 4,172.76, 5,758.16 and 2,379.99 is: 3,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.76 : 5,758.16 = 2,379.99 : x
  2. Step 2: Convert to fraction form
    4,172.76/5,758.16 = 2,379.99/x
  3. Step 3: Cross multiply
    4,172.76x = 5,758.16 × 2,379.99
  4. Step 4: Simplify right side
    4,172.76x = 13,704,351.32
  5. Step 5: Solve for x
    x = 13,704,351.32/4,172.76
  6. Step 6: Final answer
    x = 3,284.24

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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.