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Finding the Fourth Proportional to 2,596.23, 3,894.35 and 648.45

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Solution

The fourth proportional to 2,596.23, 3,894.35 and 648.45 is: 972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.23 : 3,894.35 = 648.45 : x
  2. Step 2: Convert to fraction form
    2,596.23/3,894.35 = 648.45/x
  3. Step 3: Cross multiply
    2,596.23x = 3,894.35 × 648.45
  4. Step 4: Simplify right side
    2,596.23x = 2,525,288.02
  5. Step 5: Solve for x
    x = 2,525,288.02/2,596.23
  6. Step 6: Final answer
    x = 972.68

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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.