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Finding the Fourth Proportional to 1,646.72, 2,467.35 and 996.11

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Solution

The fourth proportional to 1,646.72, 2,467.35 and 996.11 is: 1,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.72 : 2,467.35 = 996.11 : x
  2. Step 2: Convert to fraction form
    1,646.72/2,467.35 = 996.11/x
  3. Step 3: Cross multiply
    1,646.72x = 2,467.35 × 996.11
  4. Step 4: Simplify right side
    1,646.72x = 2,457,739.67
  5. Step 5: Solve for x
    x = 2,457,739.67/1,646.72
  6. Step 6: Final answer
    x = 1,492.51

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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.