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Finding the Fourth Proportional to 2,488.79, 3,732.55 and 733.79

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Solution

The fourth proportional to 2,488.79, 3,732.55 and 733.79 is: 1,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.79 : 3,732.55 = 733.79 : x
  2. Step 2: Convert to fraction form
    2,488.79/3,732.55 = 733.79/x
  3. Step 3: Cross multiply
    2,488.79x = 3,732.55 × 733.79
  4. Step 4: Simplify right side
    2,488.79x = 2,738,907.86
  5. Step 5: Solve for x
    x = 2,738,907.86/2,488.79
  6. Step 6: Final answer
    x = 1,100.50

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1.5x scale

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.