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Finding the Fourth Proportional to 2,392.01, 3,588.08 and 660.63

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Solution

The fourth proportional to 2,392.01, 3,588.08 and 660.63 is: 990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.01 : 3,588.08 = 660.63 : x
  2. Step 2: Convert to fraction form
    2,392.01/3,588.08 = 660.63/x
  3. Step 3: Cross multiply
    2,392.01x = 3,588.08 × 660.63
  4. Step 4: Simplify right side
    2,392.01x = 2,370,389.99
  5. Step 5: Solve for x
    x = 2,370,389.99/2,392.01
  6. Step 6: Final answer
    x = 990.96

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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.