Home / 3,151.94-4,353.63-2,656.22

Finding the Fourth Proportional to 3,151.94, 4,353.63 and 2,656.22

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Solution

The fourth proportional to 3,151.94, 4,353.63 and 2,656.22 is: 3,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.94 : 4,353.63 = 2,656.22 : x
  2. Step 2: Convert to fraction form
    3,151.94/4,353.63 = 2,656.22/x
  3. Step 3: Cross multiply
    3,151.94x = 4,353.63 × 2,656.22
  4. Step 4: Simplify right side
    3,151.94x = 11,564,199.08
  5. Step 5: Solve for x
    x = 11,564,199.08/3,151.94
  6. Step 6: Final answer
    x = 3,668.91

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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.