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Finding the Fourth Proportional to 2,496.85, 3,744.95 and 648.09

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Solution

The fourth proportional to 2,496.85, 3,744.95 and 648.09 is: 972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,496.85 : 3,744.95 = 648.09 : x
  2. Step 2: Convert to fraction form
    2,496.85/3,744.95 = 648.09/x
  3. Step 3: Cross multiply
    2,496.85x = 3,744.95 × 648.09
  4. Step 4: Simplify right side
    2,496.85x = 2,427,064.65
  5. Step 5: Solve for x
    x = 2,427,064.65/2,496.85
  6. Step 6: Final answer
    x = 972.05

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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.