Home / 1,254.41-1,729.77-1,077.95

Finding the Fourth Proportional to 1,254.41, 1,729.77 and 1,077.95

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Solution

The fourth proportional to 1,254.41, 1,729.77 and 1,077.95 is: 1,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.41 : 1,729.77 = 1,077.95 : x
  2. Step 2: Convert to fraction form
    1,254.41/1,729.77 = 1,077.95/x
  3. Step 3: Cross multiply
    1,254.41x = 1,729.77 × 1,077.95
  4. Step 4: Simplify right side
    1,254.41x = 1,864,596.92
  5. Step 5: Solve for x
    x = 1,864,596.92/1,254.41
  6. Step 6: Final answer
    x = 1,486.44

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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.