Home / 3,748.78-5,623.20-1,283.62

Finding the Fourth Proportional to 3,748.78, 5,623.20 and 1,283.62

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Solution

The fourth proportional to 3,748.78, 5,623.20 and 1,283.62 is: 1,925.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.78 : 5,623.20 = 1,283.62 : x
  2. Step 2: Convert to fraction form
    3,748.78/5,623.20 = 1,283.62/x
  3. Step 3: Cross multiply
    3,748.78x = 5,623.20 × 1,283.62
  4. Step 4: Simplify right side
    3,748.78x = 7,218,060.67
  5. Step 5: Solve for x
    x = 7,218,060.67/3,748.78
  6. Step 6: Final answer
    x = 1,925.44

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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.