Home / 4,071.76-5,619.38-2,303.71

Finding the Fourth Proportional to 4,071.76, 5,619.38 and 2,303.71

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Solution

The fourth proportional to 4,071.76, 5,619.38 and 2,303.71 is: 3,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.76 : 5,619.38 = 2,303.71 : x
  2. Step 2: Convert to fraction form
    4,071.76/5,619.38 = 2,303.71/x
  3. Step 3: Cross multiply
    4,071.76x = 5,619.38 × 2,303.71
  4. Step 4: Simplify right side
    4,071.76x = 12,945,396.33
  5. Step 5: Solve for x
    x = 12,945,396.33/4,071.76
  6. Step 6: Final answer
    x = 3,179.31

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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.