Home / 2,077.22-3,116.44-1,256.48

Finding the Fourth Proportional to 2,077.22, 3,116.44 and 1,256.48

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Solution

The fourth proportional to 2,077.22, 3,116.44 and 1,256.48 is: 1,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.22 : 3,116.44 = 1,256.48 : x
  2. Step 2: Convert to fraction form
    2,077.22/3,116.44 = 1,256.48/x
  3. Step 3: Cross multiply
    2,077.22x = 3,116.44 × 1,256.48
  4. Step 4: Simplify right side
    2,077.22x = 3,915,744.53
  5. Step 5: Solve for x
    x = 3,915,744.53/2,077.22
  6. Step 6: Final answer
    x = 1,885.09

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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.