Home / 2,380.53-3,285.03-1,332.57

Finding the Fourth Proportional to 2,380.53, 3,285.03 and 1,332.57

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Solution

The fourth proportional to 2,380.53, 3,285.03 and 1,332.57 is: 1,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.53 : 3,285.03 = 1,332.57 : x
  2. Step 2: Convert to fraction form
    2,380.53/3,285.03 = 1,332.57/x
  3. Step 3: Cross multiply
    2,380.53x = 3,285.03 × 1,332.57
  4. Step 4: Simplify right side
    2,380.53x = 4,377,532.43
  5. Step 5: Solve for x
    x = 4,377,532.43/2,380.53
  6. Step 6: Final answer
    x = 1,838.89

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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.