Home / 3,217.70-4,437.66-2,553.50

Finding the Fourth Proportional to 3,217.70, 4,437.66 and 2,553.50

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Solution

The fourth proportional to 3,217.70, 4,437.66 and 2,553.50 is: 3,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.70 : 4,437.66 = 2,553.50 : x
  2. Step 2: Convert to fraction form
    3,217.70/4,437.66 = 2,553.50/x
  3. Step 3: Cross multiply
    3,217.70x = 4,437.66 × 2,553.50
  4. Step 4: Simplify right side
    3,217.70x = 11,331,564.81
  5. Step 5: Solve for x
    x = 11,331,564.81/3,217.70
  6. Step 6: Final answer
    x = 3,521.63

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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.