Home / 3,609.73-4,985.52-2,428.75

Finding the Fourth Proportional to 3,609.73, 4,985.52 and 2,428.75

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Solution

The fourth proportional to 3,609.73, 4,985.52 and 2,428.75 is: 3,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.73 : 4,985.52 = 2,428.75 : x
  2. Step 2: Convert to fraction form
    3,609.73/4,985.52 = 2,428.75/x
  3. Step 3: Cross multiply
    3,609.73x = 4,985.52 × 2,428.75
  4. Step 4: Simplify right side
    3,609.73x = 12,108,581.70
  5. Step 5: Solve for x
    x = 12,108,581.70/3,609.73
  6. Step 6: Final answer
    x = 3,354.43

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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.