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Finding the Fourth Proportional to 1,750.96, 2,625.60 and 1,020.74

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Solution

The fourth proportional to 1,750.96, 2,625.60 and 1,020.74 is: 1,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.96 : 2,625.60 = 1,020.74 : x
  2. Step 2: Convert to fraction form
    1,750.96/2,625.60 = 1,020.74/x
  3. Step 3: Cross multiply
    1,750.96x = 2,625.60 × 1,020.74
  4. Step 4: Simplify right side
    1,750.96x = 2,680,054.94
  5. Step 5: Solve for x
    x = 2,680,054.94/1,750.96
  6. Step 6: Final answer
    x = 1,530.62

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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.