Home / 3,221.70-4,832.88-1,030.50

Finding the Fourth Proportional to 3,221.70, 4,832.88 and 1,030.50

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Solution

The fourth proportional to 3,221.70, 4,832.88 and 1,030.50 is: 1,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.70 : 4,832.88 = 1,030.50 : x
  2. Step 2: Convert to fraction form
    3,221.70/4,832.88 = 1,030.50/x
  3. Step 3: Cross multiply
    3,221.70x = 4,832.88 × 1,030.50
  4. Step 4: Simplify right side
    3,221.70x = 4,980,282.84
  5. Step 5: Solve for x
    x = 4,980,282.84/3,221.70
  6. Step 6: Final answer
    x = 1,545.86

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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.