Home / 3,291.77-4,939.68-2,984.17

Finding the Fourth Proportional to 3,291.77, 4,939.68 and 2,984.17

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Solution

The fourth proportional to 3,291.77, 4,939.68 and 2,984.17 is: 4,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.77 : 4,939.68 = 2,984.17 : x
  2. Step 2: Convert to fraction form
    3,291.77/4,939.68 = 2,984.17/x
  3. Step 3: Cross multiply
    3,291.77x = 4,939.68 × 2,984.17
  4. Step 4: Simplify right side
    3,291.77x = 14,740,829.94
  5. Step 5: Solve for x
    x = 14,740,829.94/3,291.77
  6. Step 6: Final answer
    x = 4,478.09

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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.