Home / 3,209.02-4,428.62-2,265.11

Finding the Fourth Proportional to 3,209.02, 4,428.62 and 2,265.11

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Solution

The fourth proportional to 3,209.02, 4,428.62 and 2,265.11 is: 3,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.02 : 4,428.62 = 2,265.11 : x
  2. Step 2: Convert to fraction form
    3,209.02/4,428.62 = 2,265.11/x
  3. Step 3: Cross multiply
    3,209.02x = 4,428.62 × 2,265.11
  4. Step 4: Simplify right side
    3,209.02x = 10,031,340.73
  5. Step 5: Solve for x
    x = 10,031,340.73/3,209.02
  6. Step 6: Final answer
    x = 3,125.99

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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.