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Finding the Fourth Proportional to 1,750.19, 2,625.74 and 654.57

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Solution

The fourth proportional to 1,750.19, 2,625.74 and 654.57 is: 982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.19 : 2,625.74 = 654.57 : x
  2. Step 2: Convert to fraction form
    1,750.19/2,625.74 = 654.57/x
  3. Step 3: Cross multiply
    1,750.19x = 2,625.74 × 654.57
  4. Step 4: Simplify right side
    1,750.19x = 1,718,727.36
  5. Step 5: Solve for x
    x = 1,718,727.36/1,750.19
  6. Step 6: Final answer
    x = 982.03

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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.