Home / 3,609.70-4,973.65-2,428.72

Finding the Fourth Proportional to 3,609.70, 4,973.65 and 2,428.72

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Solution

The fourth proportional to 3,609.70, 4,973.65 and 2,428.72 is: 3,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.70 : 4,973.65 = 2,428.72 : x
  2. Step 2: Convert to fraction form
    3,609.70/4,973.65 = 2,428.72/x
  3. Step 3: Cross multiply
    3,609.70x = 4,973.65 × 2,428.72
  4. Step 4: Simplify right side
    3,609.70x = 12,079,584.72
  5. Step 5: Solve for x
    x = 12,079,584.72/3,609.70
  6. Step 6: Final answer
    x = 3,346.43

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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.