Home / 3,209.23-4,428.75-1,882.96

Finding the Fourth Proportional to 3,209.23, 4,428.75 and 1,882.96

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Solution

The fourth proportional to 3,209.23, 4,428.75 and 1,882.96 is: 2,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.23 : 4,428.75 = 1,882.96 : x
  2. Step 2: Convert to fraction form
    3,209.23/4,428.75 = 1,882.96/x
  3. Step 3: Cross multiply
    3,209.23x = 4,428.75 × 1,882.96
  4. Step 4: Simplify right side
    3,209.23x = 8,339,159.10
  5. Step 5: Solve for x
    x = 8,339,159.10/3,209.23
  6. Step 6: Final answer
    x = 2,598.49

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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.