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Finding the Fourth Proportional to 1,751.02, 2,416.43 and 965.01

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Solution

The fourth proportional to 1,751.02, 2,416.43 and 965.01 is: 1,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.02 : 2,416.43 = 965.01 : x
  2. Step 2: Convert to fraction form
    1,751.02/2,416.43 = 965.01/x
  3. Step 3: Cross multiply
    1,751.02x = 2,416.43 × 965.01
  4. Step 4: Simplify right side
    1,751.02x = 2,331,890.59
  5. Step 5: Solve for x
    x = 2,331,890.59/1,751.02
  6. Step 6: Final answer
    x = 1,331.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.