Home / 3,490.66-4,817.33-2,309.68

Finding the Fourth Proportional to 3,490.66, 4,817.33 and 2,309.68

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Solution

The fourth proportional to 3,490.66, 4,817.33 and 2,309.68 is: 3,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.66 : 4,817.33 = 2,309.68 : x
  2. Step 2: Convert to fraction form
    3,490.66/4,817.33 = 2,309.68/x
  3. Step 3: Cross multiply
    3,490.66x = 4,817.33 × 2,309.68
  4. Step 4: Simplify right side
    3,490.66x = 11,126,490.75
  5. Step 5: Solve for x
    x = 11,126,490.75/3,490.66
  6. Step 6: Final answer
    x = 3,187.50

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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.