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Finding the Fourth Proportional to 1,750.66, 2,625.56 and 825.32

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Solution

The fourth proportional to 1,750.66, 2,625.56 and 825.32 is: 1,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.66 : 2,625.56 = 825.32 : x
  2. Step 2: Convert to fraction form
    1,750.66/2,625.56 = 825.32/x
  3. Step 3: Cross multiply
    1,750.66x = 2,625.56 × 825.32
  4. Step 4: Simplify right side
    1,750.66x = 2,166,927.18
  5. Step 5: Solve for x
    x = 2,166,927.18/1,750.66
  6. Step 6: Final answer
    x = 1,237.78

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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.