Home / 1,830.84-2,525.74-1,272.66

Finding the Fourth Proportional to 1,830.84, 2,525.74 and 1,272.66

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Solution

The fourth proportional to 1,830.84, 2,525.74 and 1,272.66 is: 1,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.84 : 2,525.74 = 1,272.66 : x
  2. Step 2: Convert to fraction form
    1,830.84/2,525.74 = 1,272.66/x
  3. Step 3: Cross multiply
    1,830.84x = 2,525.74 × 1,272.66
  4. Step 4: Simplify right side
    1,830.84x = 3,214,408.27
  5. Step 5: Solve for x
    x = 3,214,408.27/1,830.84
  6. Step 6: Final answer
    x = 1,755.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.