Home / 3,208.00-4,428.21-1,882.81

Finding the Fourth Proportional to 3,208.00, 4,428.21 and 1,882.81

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Solution

The fourth proportional to 3,208.00, 4,428.21 and 1,882.81 is: 2,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.00 : 4,428.21 = 1,882.81 : x
  2. Step 2: Convert to fraction form
    3,208.00/4,428.21 = 1,882.81/x
  3. Step 3: Cross multiply
    3,208.00x = 4,428.21 × 1,882.81
  4. Step 4: Simplify right side
    3,208.00x = 8,337,478.07
  5. Step 5: Solve for x
    x = 8,337,478.07/3,208.00
  6. Step 6: Final answer
    x = 2,598.97

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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.