Home / 3,180.39-4,769.91-2,253.30

Finding the Fourth Proportional to 3,180.39, 4,769.91 and 2,253.30

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Solution

The fourth proportional to 3,180.39, 4,769.91 and 2,253.30 is: 3,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.39 : 4,769.91 = 2,253.30 : x
  2. Step 2: Convert to fraction form
    3,180.39/4,769.91 = 2,253.30/x
  3. Step 3: Cross multiply
    3,180.39x = 4,769.91 × 2,253.30
  4. Step 4: Simplify right side
    3,180.39x = 10,748,038.20
  5. Step 5: Solve for x
    x = 10,748,038.20/3,180.39
  6. Step 6: Final answer
    x = 3,379.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.