Home / 1,755.39-2,625.35-1,561.76

Finding the Fourth Proportional to 1,755.39, 2,625.35 and 1,561.76

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Solution

The fourth proportional to 1,755.39, 2,625.35 and 1,561.76 is: 2,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.39 : 2,625.35 = 1,561.76 : x
  2. Step 2: Convert to fraction form
    1,755.39/2,625.35 = 1,561.76/x
  3. Step 3: Cross multiply
    1,755.39x = 2,625.35 × 1,561.76
  4. Step 4: Simplify right side
    1,755.39x = 4,100,155.53
  5. Step 5: Solve for x
    x = 4,100,155.53/1,755.39
  6. Step 6: Final answer
    x = 2,335.75

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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.