Home / 3,125.27-4,313.86-1,799.87

Finding the Fourth Proportional to 3,125.27, 4,313.86 and 1,799.87

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Solution

The fourth proportional to 3,125.27, 4,313.86 and 1,799.87 is: 2,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.27 : 4,313.86 = 1,799.87 : x
  2. Step 2: Convert to fraction form
    3,125.27/4,313.86 = 1,799.87/x
  3. Step 3: Cross multiply
    3,125.27x = 4,313.86 × 1,799.87
  4. Step 4: Simplify right side
    3,125.27x = 7,764,361.13
  5. Step 5: Solve for x
    x = 7,764,361.13/3,125.27
  6. Step 6: Final answer
    x = 2,484.38

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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.