Home / 1,575.35-2,172.66-1,327.25

Finding the Fourth Proportional to 1,575.35, 2,172.66 and 1,327.25

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Solution

The fourth proportional to 1,575.35, 2,172.66 and 1,327.25 is: 1,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.35 : 2,172.66 = 1,327.25 : x
  2. Step 2: Convert to fraction form
    1,575.35/2,172.66 = 1,327.25/x
  3. Step 3: Cross multiply
    1,575.35x = 2,172.66 × 1,327.25
  4. Step 4: Simplify right side
    1,575.35x = 2,883,662.99
  5. Step 5: Solve for x
    x = 2,883,662.99/1,575.35
  6. Step 6: Final answer
    x = 1,830.49

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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.