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Finding the Fourth Proportional to 2,748.89, 3,793.45 and 1,506.89

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Solution

The fourth proportional to 2,748.89, 3,793.45 and 1,506.89 is: 2,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.89 : 3,793.45 = 1,506.89 : x
  2. Step 2: Convert to fraction form
    2,748.89/3,793.45 = 1,506.89/x
  3. Step 3: Cross multiply
    2,748.89x = 3,793.45 × 1,506.89
  4. Step 4: Simplify right side
    2,748.89x = 5,716,311.87
  5. Step 5: Solve for x
    x = 5,716,311.87/2,748.89
  6. Step 6: Final answer
    x = 2,079.50

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1.5x scale

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.