Home / 3,077.41-4,248.22-1,959.86

Finding the Fourth Proportional to 3,077.41, 4,248.22 and 1,959.86

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Solution

The fourth proportional to 3,077.41, 4,248.22 and 1,959.86 is: 2,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.41 : 4,248.22 = 1,959.86 : x
  2. Step 2: Convert to fraction form
    3,077.41/4,248.22 = 1,959.86/x
  3. Step 3: Cross multiply
    3,077.41x = 4,248.22 × 1,959.86
  4. Step 4: Simplify right side
    3,077.41x = 8,325,895.21
  5. Step 5: Solve for x
    x = 8,325,895.21/3,077.41
  6. Step 6: Final answer
    x = 2,705.49

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1.5x scale

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.