Home / 3,110.16-4,655.52-2,619.84

Finding the Fourth Proportional to 3,110.16, 4,655.52 and 2,619.84

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Solution

The fourth proportional to 3,110.16, 4,655.52 and 2,619.84 is: 3,921.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.16 : 4,655.52 = 2,619.84 : x
  2. Step 2: Convert to fraction form
    3,110.16/4,655.52 = 2,619.84/x
  3. Step 3: Cross multiply
    3,110.16x = 4,655.52 × 2,619.84
  4. Step 4: Simplify right side
    3,110.16x = 12,196,717.52
  5. Step 5: Solve for x
    x = 12,196,717.52/3,110.16
  6. Step 6: Final answer
    x = 3,921.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.