Home / 4,072.07-5,619.78-2,303.64

Finding the Fourth Proportional to 4,072.07, 5,619.78 and 2,303.64

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Solution

The fourth proportional to 4,072.07, 5,619.78 and 2,303.64 is: 3,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.07 : 5,619.78 = 2,303.64 : x
  2. Step 2: Convert to fraction form
    4,072.07/5,619.78 = 2,303.64/x
  3. Step 3: Cross multiply
    4,072.07x = 5,619.78 × 2,303.64
  4. Step 4: Simplify right side
    4,072.07x = 12,945,950.00
  5. Step 5: Solve for x
    x = 12,945,950.00/4,072.07
  6. Step 6: Final answer
    x = 3,179.20

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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.