Home / 1,654.35-2,282.68-1,064.80

Finding the Fourth Proportional to 1,654.35, 2,282.68 and 1,064.80

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Solution

The fourth proportional to 1,654.35, 2,282.68 and 1,064.80 is: 1,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.35 : 2,282.68 = 1,064.80 : x
  2. Step 2: Convert to fraction form
    1,654.35/2,282.68 = 1,064.80/x
  3. Step 3: Cross multiply
    1,654.35x = 2,282.68 × 1,064.80
  4. Step 4: Simplify right side
    1,654.35x = 2,430,597.66
  5. Step 5: Solve for x
    x = 2,430,597.66/1,654.35
  6. Step 6: Final answer
    x = 1,469.22

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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.