Home / 3,225.40-4,834.32-1,490.38

Finding the Fourth Proportional to 3,225.40, 4,834.32 and 1,490.38

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Solution

The fourth proportional to 3,225.40, 4,834.32 and 1,490.38 is: 2,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.40 : 4,834.32 = 1,490.38 : x
  2. Step 2: Convert to fraction form
    3,225.40/4,834.32 = 1,490.38/x
  3. Step 3: Cross multiply
    3,225.40x = 4,834.32 × 1,490.38
  4. Step 4: Simplify right side
    3,225.40x = 7,204,973.84
  5. Step 5: Solve for x
    x = 7,204,973.84/3,225.40
  6. Step 6: Final answer
    x = 2,233.82

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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.