Home / 1,337.54-2,000.84-1,212.39

Finding the Fourth Proportional to 1,337.54, 2,000.84 and 1,212.39

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Solution

The fourth proportional to 1,337.54, 2,000.84 and 1,212.39 is: 1,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.54 : 2,000.84 = 1,212.39 : x
  2. Step 2: Convert to fraction form
    1,337.54/2,000.84 = 1,212.39/x
  3. Step 3: Cross multiply
    1,337.54x = 2,000.84 × 1,212.39
  4. Step 4: Simplify right side
    1,337.54x = 2,425,792.35
  5. Step 5: Solve for x
    x = 2,425,792.35/1,337.54
  6. Step 6: Final answer
    x = 1,813.63

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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.