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Finding the Fourth Proportional to 1,750.20, 2,625.09 and 451.77

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Solution

The fourth proportional to 1,750.20, 2,625.09 and 451.77 is: 677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.20 : 2,625.09 = 451.77 : x
  2. Step 2: Convert to fraction form
    1,750.20/2,625.09 = 451.77/x
  3. Step 3: Cross multiply
    1,750.20x = 2,625.09 × 451.77
  4. Step 4: Simplify right side
    1,750.20x = 1,185,936.91
  5. Step 5: Solve for x
    x = 1,185,936.91/1,750.20
  6. Step 6: Final answer
    x = 677.60

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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.