Home / 3,076.63-4,240.90-2,012.51

Finding the Fourth Proportional to 3,076.63, 4,240.90 and 2,012.51

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Solution

The fourth proportional to 3,076.63, 4,240.90 and 2,012.51 is: 2,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.63 : 4,240.90 = 2,012.51 : x
  2. Step 2: Convert to fraction form
    3,076.63/4,240.90 = 2,012.51/x
  3. Step 3: Cross multiply
    3,076.63x = 4,240.90 × 2,012.51
  4. Step 4: Simplify right side
    3,076.63x = 8,534,853.66
  5. Step 5: Solve for x
    x = 8,534,853.66/3,076.63
  6. Step 6: Final answer
    x = 2,774.09

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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.