Home / 3,126.09-4,314.03-1,799.79

Finding the Fourth Proportional to 3,126.09, 4,314.03 and 1,799.79

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Solution

The fourth proportional to 3,126.09, 4,314.03 and 1,799.79 is: 2,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.09 : 4,314.03 = 1,799.79 : x
  2. Step 2: Convert to fraction form
    3,126.09/4,314.03 = 1,799.79/x
  3. Step 3: Cross multiply
    3,126.09x = 4,314.03 × 1,799.79
  4. Step 4: Simplify right side
    3,126.09x = 7,764,325.13
  5. Step 5: Solve for x
    x = 7,764,325.13/3,126.09
  6. Step 6: Final answer
    x = 2,483.71

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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.