Home / 3,119.39-4,656.26-2,750.35

Finding the Fourth Proportional to 3,119.39, 4,656.26 and 2,750.35

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Solution

The fourth proportional to 3,119.39, 4,656.26 and 2,750.35 is: 4,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.39 : 4,656.26 = 2,750.35 : x
  2. Step 2: Convert to fraction form
    3,119.39/4,656.26 = 2,750.35/x
  3. Step 3: Cross multiply
    3,119.39x = 4,656.26 × 2,750.35
  4. Step 4: Simplify right side
    3,119.39x = 12,806,344.69
  5. Step 5: Solve for x
    x = 12,806,344.69/3,119.39
  6. Step 6: Final answer
    x = 4,105.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.